Sterling has been a leader in the gas heater industry for over 50 years. Sterling unit heaters are well known for being highly efficient, reliable, and durable. These gas heaters are available in sizes ranging from 30,000 to 400,000 BTUs in both standard and separated combustion setups with efficiencies as high as 97%. Whether your application is a greenhouse, garage, shop, or warehouse, Sterling has a gas heater to fit your needs. Sterling gas heaters are made in the USA.


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Sterling GG30 Gas Heater gg, sterling, gg30, gas, heater, shop, furnace, unit, sale, cheap, 30,000, BTU, greenhouse, fan, garage, GG030A1NSA11, GG030A1PSA11, GG030A2NSA11, GG030A2PSA11
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Price: $729.00
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    Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

    Sterling GG45 Gas Heater sterling, gg, gg45, gas, heater, furnace, garage, greenhouse, shop, unit, beacon, morris, cheap, sale, free, GG045A1NSA11, GG045A1PSA11, GG045A2NSA11, GG045A2PSA11
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    Price: $759.00
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    Availability: In Stock - Usually ships in 1 to 2 days.

      Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

      Sterling GG60 Gas Heater gg60, gg, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, GG060A1NSA11, GG060A1PSA11, GG060A2NSA11, GG060A2PSA11, GG060A1NSB11, GG060A1PSB11, GG060A2NSB11, GG060A2PSB11
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      Price: $879.00
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      Availability: Factory Direct - Usually ships in 1 to 2 weeks.

        Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

        Sterling GG75 Gas Heater sterling, gg, gg75, gas, heater, free, shipping, deal, sale, furnace, garage, greenhouse, shop, propane, GG075A1NSA11, GG075A1PSA11, GG075A2NSA11, GG075A2PSA11, GG075A1NSB11, GG075A1PSB11, GG075A2NSB11, GG075A2PSB11
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        Price: $899.00
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        Availability: In Stock - Usually ships in 1 to 2 days.

          Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

          Sterling GG90 Gas Heater sterling, mestek, gg, gg90, heater, gas, unit, sale, furnace, beacon, morris, dayton, greenhouse, garage, forced, air, fired,ceiling, mounted, GG090A1NSA11, GG090A1PSA11, GG090A2NSA11, GG090A2PSA11, GG090A1NSB11, GG090A1PSB11, GG090A2NSB11, GG090A2PSB11
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          Price: $959.00
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          Availability: Factory Direct - Usually ships in 1 to 2 weeks.

            Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

            Sterling GG105 Gas Heater gg, gg105, sterling, gas, heater, unit, garage, greenhouse, propane, natural, fan, forced, sale, price, reviews, mr, dayton, big, maxx, heatstar, GG105A1NSA11, GG105A1PSA11, GG105A2NSA11, GG105A2PSA11, GG105A1NSB11, GG105A1PSB11, GG105A2NSB11, GG105A2PSB11
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            Price: $1,015.00
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            (1)
            Availability: In Stock - Usually ships in 1 to 2 days.

              Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

              Sterling GG120 Gas Heater gg120, gg, sterling, heater, gas, garage, shop, greenhouse, low, price, deal, sale, cheap, best, GG120A1NSA11, GG120A1PSA11, GG120A2NSA11, GG120A2PSA11, GG120A1NSB11, GG120A1PSB11, GG120A2NSB11, GG120A2PSB11
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              Price: $1,069.00
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              (3)
              Availability: In Stock - Usually ships in 1 to 2 days.

                Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                Sterling Nexus HU400
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                Price: $2679 - $6199
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                Availability: Factory Direct - Currently ships in 12 to 16 weeks
                Item #: 4073 -

                  The Sterling Nexus series gas unit heaters are the most efficient and advanced unit heaters available! They are the only +90% efficient unit heaters that come standard with: Modulating controls which allow the heaters to vary their output anywhere from 35% to 100% of capacity. Modulation is automatically handled by the heater, so no special thermostat is needed. Up to 99% efficiency can be obtained at its lowest output!Stainless steel casing and heat exchanger provides maximum protection...

                  Sterling GF150 Heater
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                  Price: $1799 - $3099
                  Availability: Factory Direct - Currently ships in 12 to 16 weeks
                  Item #: 40718 -

                    The Sterling Shield GF series gas unit heaters are our most durable commercial heaters. Stainless steel construction on the outside and inside combined with a heavy-duty tubular heat exchanger provides maximum protection against moisture and rust making them a great option for greenhouses, processing plants, agricultural buildings, and any other area where moisture is a problem. Sterling GF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                    Sterling XF100 Gas Unit Heater sterling, xf100, tf100, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion
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                    Price: $1,149.00
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                    Availability: Factory Direct - Usually ships in 1 to 2 weeks.

                      - Replaces Sterling TF100 and SF100 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                      Sterling XF125 Gas Unit Heater sterling, xf125, tf125, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion
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                      Price: $1,199.00
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                      Availability: In Stock - Usually ships in 2 to 4 days.

                        - Replaces Sterling TF125 and SF125 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                        Sterling XF150 Gas Unit Heater  sterling, xf150, tf150, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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                        Price: $1,249.00
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                        Availability: In Stock - Usually ships in 2 to 4 days.

                          - Replaces Sterling TF150 and SF150 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                          Sterling XF175 Gas Unit Heater sterling, xf175, tf175, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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                          Price: $1,389.00
                          Availability: In Stock - Usually ships in 2 to 4 days.

                            - Replaces Sterling TF175 and SF175 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                            Sterling XF200 Gas Unit Heater sterling, xf200, tf200, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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                            Price: $1,499.00
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                            (1)
                            Availability: Factory Direct - Currently ships in 12 to 16 weeks

                              - Replaces Sterling TF200 and SF200 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                              Sterling XF250 Gas Unit Heater sterling, xf250, tf250, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris
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                              Price: $1,639.00
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                              Availability: Factory Direct - Currently ships in 12 to 16 weeks

                                - Replaces Sterling TF250 and SF250 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                Sterling XF300 Gas Unit Heater sterling, xf300, tf300, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris
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                                Price: $1,949.00
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                                (1)
                                Availability: Factory Direct - Currently ships in 12 to 16 weeks

                                  - Replaces Sterling TF300 and SF300 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                  Sterling XF400 Gas Unit Heater sterling, xf400, tf400, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris
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                                  Price: $2,289.00
                                  Availability: Factory Direct - Currently ships in 12 to 16 weeks

                                    - Replaces Sterling TF400 and SF400 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                    Aprilaire Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, aprilaire
                                    Price: $72.95
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                                    (2)
                                    Availability: In Stock - Usually ships in 1 to 2 days.
                                    Item #: 4820084 -

                                      The Aprilaire programmable thermostat can control any of our gas heaters with ease. It is easy to program and helps you save money on energy costs by allowing you to set back the temperature during the night or when you’re away. Convenient 5/1/1 day or 5/2 day programming lets you customize your weekday and weekend schedule based on your needs. Unit also allows an appliance to be cut off when you do not want it to be thermostatically controlled and includes a switch which can run the fan on...

                                      LuxPRO Low Voltage Heating Thermostat
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                                      Retail: $26.89
                                      Price: $21.95
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                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                      Item #: 4820510 -

                                        This thermostat can be used with heating and/or cooling appliances and adds both an on/off switch which allows it to cut the appliance off when not in use and auto fan switch which allows you to run the fan on heaters like the Modine and Sterling units continuously and act as a circulation fan. A useful feature in the summer and winter.Thermostat has a temperature range of 50° to 90° F, a separate thermometer display for determining room temperature, and require wiring.Features50° to 90° F...

                                        RobertShaw Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, robertshaw, robert, shaw
                                        Price: $34.95
                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                        Item #: 4820085 -

                                          The Robertshaw programmable thermostat can control any of our gas heaters with ease. It is easy to program and helps you save money on energy costs by allowing you to set back the temperature during the night or when you’re away. Convenient 5/1/1 day programming lets you customize your weekday and weekend schedule based on your needs. Unit also allows an appliance to be cut off when you do not want it to be thermostatically controlled. Features a large easy-to-read LCD display with backlight....

                                          Sterling Nexus HU Concentric Vent Kit sterling, heater, nexus, hu, high, efficiency, 90%, 90, gas, pvc, vent, pipe, concentric, kit, flue
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                                          Price: $115 - $210
                                          Availability: Factory Direct - Usually ships in 1 to 2 weeks.
                                          Item #: 40732 -

                                            Concentric vents make it easier to have a two-pipe installation for high efficiency furnaces. These vents simplify installation and only require one hole through the wall or roof where the pipes terminate. Without using these vents, the installation would require cutting two holes through the home, one for each pipe. These vents save time and money by reducing the amount of work required. Available in 2", 3", or 4" intake vent sizes. Vent Size Fits Nexus Models 2" HU50, HU100, HU150 3" HU200...

                                            SureStat TS110 Waterproof Heating / Cooling Thermostat
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                                            Retail: $42.89
                                            Price: $34.95
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                                            Availability: In Stock - Usually ships in 1 to 2 days.
                                            Item #: 4820930 -

                                              SureSTAT TS110 thermostats have a watertight enclosure making them an excellent option for wet environments. The single stage thermostat can be used to automatically control ventilation fans or heaters. This thermostat was developed with the harsh greenhouse environment in mind. Temperature coil is stainless steel to prevent corrosion. SPDT switch. Wiring required. Features Wide temperature range: 30° to 110° F Fixed 3 degree temperature differential Can be used with millivolt, 12, 24 and 120...

                                              SureStat TS200 2 Stage Thermostat Control thermostat, 2, two, stage, control, heating, cooling, water, proof, tight, weather, greenhouse, wet
                                              Retail: $66.55
                                              Price: $49.95
                                              Availability: In Stock - Usually ships in 1 to 2 days.
                                              Item #: 4820910 -

                                                This thermostat has a watertight enclosure making them an excellent option for wet environments. The two stage thermostat can be used to automatically open motorized louvers before cutting on an exhaust fan(s), stage multiple fan or heater systems, or operate multiple speed exhaust fans that do not already have a built-in control. Wiring required. Features Wide temperature range: 30° to 110° F Fixed 3 degree temperature differential between stages Can be used with millivolt, 12, 24 and 120...

                                                Honeywell 2 Stage Thermostat
                                                Retail: $129.00
                                                Price: $116.00
                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                Item #: 4820087 -

                                                  This programmable thermostat offers 2 stage heating control. Weekday/Weekend programming - use as a 5-1-1 (Weekdays, Saturday, Sunday) or 5-2 (Weekdays, Weekend) programmable thermostat, whichever best fits your lifestyle. Can be powered by appliance and/or batteries. Wiring required. Thermostat Features Wide temperature range: 40° to 90° F Fixed 1 degree differential between stages Auto fan switch Can be used with millivolt and 24 volt appliances Large, clear, backlit display - easy to read...

                                                  Horizontal Pipe Kit for Sterling GG Concentric Vent sterling, gg, beacon, morris, concentric, vent, kit, flue, exhaust, pipe, horizontal, category, 3, UL, stainless
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                                                  Price: $219 - $255
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                                                  Availability: In Stock - Usually ships in 1 to 2 days.
                                                  Item #: 4610 -

                                                    These kits include all of the pipe and fittings needed for horizontal venting of the Sterling GG gas heaters equipped with the concentric vent kit (up to a 5' exhaust run).The horizontal pipe kits include: (items in red text shown in picture above) 5' of UL1738 stainless steel exhaust pipe (35" adjustable length pipe + 24" pipe) UL1738 stainless steel heater adapter 4' of interior galvanized intake pipe- 4" for models GG30, GG45, GG60, and GG75- 5" for models GG90, GG105, and GG120 2' of...

                                                    Quick Sling Flush Mount Hanging Kit
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                                                    Retail: $145.00
                                                    Price: $129.00
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                                                    Availability: In Stock - Usually ships in 1 to 2 days.
                                                    Item #: 4005020 -

                                                      Ask yourself this question, How do I install a unit heater to a finished ceiling? Before now, there was no good answer to that question. The Quick Swivel solves that challenge quickly and efficiently. They mount in mere minutes, and they swivel 360 degrees allowing you to be able to direct heat output as required and lock it in place for safety. The Quick Swivel technology allows the installer amazing flexibility to maximize efficiency with the proper directional unit output. Either model will...

                                                      Quick Sling U Mount Hanging Kit
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                                                      Retail: $155.00
                                                      Price: $139.00
                                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                                      Item #: 4005025 -

                                                        Ask yourself this question, How do I install a unit heater to a finished ceiling? Before now, there was no good answer to that question. The Quick Swivel solves that challenge quickly and efficiently. They mount in mere minutes, and they swivel 360 degrees allowing you to be able to direct heat output as required and lock it in place for safety. The Quick Swivel technology allows the installer amazing flexibility to maximize efficiency with the proper directional unit output. Either model will...

                                                        Sterling GG Concentric Vent Kit sterling, gg, beacon, morris, concentric, vent, kit, flue, exhaust, separated, combustion, sealed, AS-X7-4, AS-X7-5, ASX7
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                                                        Price: $269 - $349
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                                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                                        Item #: 407090 -

                                                          Sterling GG heaters can be converted to separated combustion when this kit is added to the heater. Separated combustion heaters draw combustion air from outside to ensure that the unit will always have plenty of fresh clean air. The fresh air supply reduces common concerns about dusty, dirty, or high humidity applications. You can also decrease heating costs by as much as 10% because no cold outside air is being sucked into the structure when the heater is running. Pipe must be purchased...

                                                          Vertical Pipe Kit for Sterling GG Concentric Vent sterling, gg, concentric, vent, kit, flue, exhaust, ,vertical, pipe, beacon, morris, venting, heater, gas
                                                          Free Shipping
                                                          Price: $369 - $409
                                                          Availability: In Stock - Usually ships in 1 to 2 days.
                                                          Item #: 461 -

                                                            These kits include all of the pipe and fittings needed for vertical venting of the Sterling GG gas heaters equipped with the concentric vent kit (up to a 5' exhaust run).The vertical pipe kits include: (items in red text shown in picture above) 5' of UL1738 stainless steel exhaust pipe(35" adjustable length pipe + 24" pipe) UL1738 stainless steel tee with condensate cap UL1738 stainless steel heater adapter 2' of interior galvanized intake pipe- 4" for models GG30, GG45, GG60, and GG75- 5" for...

                                                            45 Degree Elbow Set for Concentric Vent
                                                            Price: $73 - $84
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                                                            Availability: In Stock - Usually ships in 1 to 2 days.
                                                            Item #: 46 -

                                                              This elbow set allows mounting of the Sterling GG heater at a 45 degree angle when venting horizontally with the concentric vent kit. It includes a stainless steel category III 45 degree elbow for the exhaust and an adjustable galvanized elbow for the combustion (inlet) air. Sterling GG30, GG45, GG60, and GG75 use 4" elbows. Sterling GG90, GG105, and GG120 use 5" elbows. Item # 46, 4610147, 4610157

                                                              Sterling GG Category 3 Horizontal Vent Kits  sterling, gg, beacon, morris, vent, kit, category, horizontal, stainless, steel, flue, exhaust, cat, III, mr, big, maxx, heatstar, dayton
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                                                              Price: $289 - $299
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                                                              Availability: In Stock - Usually ships in 1 to 2 days.
                                                              Item #: 465110 -

                                                                For Sterling models GG30, GG45, GG60, GG75, GG90, GG105, & GG120Each vent system comes complete with everything needed to vent a Sterling GG heater. These stainless steel, gas tight 4" vent systems are approved by Sterling for horizontal installation in residential and commercial applications for GG model heaters. These are the most durable, longest lasting, and lowest maintenance vent systems available for these gas heaters. All vent systems are for horizontal venting of all Sterling GG gas...

                                                                Sterling TF / XF / GF Category 3 Horizontal Vent Kit sterling, tf, xt, beacon, morris, vent, kit, category, horizontal, stainless, steel, flue, exhaust, cat, III, dayton
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                                                                Price: $375.00
                                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                                Item #: 4610175 -

                                                                  This 5" vent kit is for Sterling TF100, TF125, TF150, TF175, TF200, TF250, XF100, XF125, XF150, XF175, XF200, XF250, GF150, and GF250 models. (Not for use with Sterling XF Concentric Vent Kits)Each vent system comes complete with everything needed to vent the Sterling TF, GF, and XF series heaters. These stainless steel, gas tight vent systems are approved by Sterling for horizontal venting applications for these gas heaters. These are the most durable, longest lasting, and lowest maintenance...

                                                                  Sterling TF / XF Category 1 Horizontal Vent Kit sterling, vent, kit, tf, heater, horizontal, pipe, greenhouse, xf, category, 1, one, galvanized, duct
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                                                                  Price: $139 - $149
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                                                                  Availability: In Stock - Usually ships in 1 to 2 days.
                                                                  Item #: 46101 -

                                                                    These horizontal vent kits are for side wall venting the Sterling TF and XF series heaters. All pipe and fittings are galvanized steel. Enough piping is included for up to a 6' run.The Sterling TF / XF vent kit includes: 2' of type B vent pipe 4' of single wall vent pipe Type B wall thimble Sterling approved horizontal vent cap 90° elbow Tube of high temp silicone sealant Assembly hardware, and instructions The 5" Kit is for Sterling TF100, XF100, TF125, XF125, TF150, XF150, TF175, XF175,...

                                                                    Sterling XF Concentric Vent Kit  sterling, xf, concentric, vent, kit, flue, exhaust, separated, combustion, sealed, X7-H5, X7-H6, X7-V5, X7-V6
                                                                    Free Shipping
                                                                    Price: $299 - $645
                                                                    Availability: In Stock - Usually ships in 1 to 2 days.
                                                                    Item #: 40715 -

                                                                      These concentric vent kits for the Sterling XF heaters allow both the air intake and exhaust to vent through the outside wall of your structure with only one hole. Piping must be purchased separately. Concentric kits are available for horizontal or vertical venting. Concentric vent kits include: (shown above) Concentric vent boxInlet air screen or capDeflector discVent capExhaust pipe gasketsHigh-temp silicone Please note: The concentric vent kit does not include any piping. Pipe and fittings...

                                                                      5" Stainless Steel Category 3 Vent Wall Pass Through vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, thimble, wall, pass, through
                                                                      Price: $88.00
                                                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                                                      Item #: 4651335 -

                                                                        The wall pass through is for 5" pipe and walls 4 1/4" to 8 1/2" thick (extensions are available for thicker walls). A storm collar is recommended to seal around it and the vent pipe. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV...

                                                                        Stainless Steel Category 3 Adjustable Length Vent Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category
                                                                        Price: $53 - $91
                                                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                                                        Item #: VE -

                                                                          Adjustable vent pipes can slide in and out of a standard vent pipe giving you an adjustable length. The amount of adjustment available depends on the length of the pipe it is connected to. Requires at least 4” overlap for a secure connection. Vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738...

                                                                          Stainless Steel Category 3 Heater Vent Adapter vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, adapter
                                                                          Price: $35 - $42
                                                                          Availability: In Stock - Usually ships in 1 to 2 days.
                                                                          Item #: VF -

                                                                            This piece . The heater adapter has gaskets on both ends and is required to secure the category 3 venting to a heater. Adapters fit most standard gas unit heaters including: Modine, Sterling, and Dayton brands (other heater brands may need some minor modifications for assembly). The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90°...

                                                                            Stainless Steel Category 3 Standard Vent Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category
                                                                            Price: $28 - $73
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                                                                            (4)
                                                                            Availability: In Stock - Usually ships in 1 to 2 days.
                                                                            Item #: VL -

                                                                              The stainless steel heater vent pipe is available in several different sizes and lengths. If you do not find the exact length needed, adjustable length pipes are also available. Vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. What is...

                                                                              Stainless Steel Category 3 Vent 30 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow, 30, degree
                                                                              Price: $58 - $70
                                                                              Availability: In Stock - Usually ships in 1 to 2 days.
                                                                              Item #: VJ -

                                                                                The 30 degree elbow allows installation of a gas heater at a 30 or 60 degree angle inside the structure. The angle is not adjustable. This stainless steel vent pipe fitting features a patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. What is UL 1738? In short, it is a...

                                                                                Stainless Steel Category 3 Vent 45 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow
                                                                                Price: $63 - $76
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                                                                                (1)
                                                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                Item #: VD -

                                                                                  The 45 degree elbow allows installation of a gas heater at a 45 degree angle inside the structure. The angle is not adjustable. This stainless steel vent pipe fitting features a patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. What is UL 1738? In short, it is a US...

                                                                                  Stainless Steel Category 3 Vent 5" Universal Drain vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, drain, condensate
                                                                                  Price: $94.00
                                                                                  Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                  Item #: 4651330 -

                                                                                    The universal drain is used to drain condensation if you do not have a 1/4" for foot downward slope in your horizontal vent line or in vertical venting applications also. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting...

                                                                                    Stainless Steel Category 3 Vent 90 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow
                                                                                    Price: $73 - $91
                                                                                    Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                    Item #: VC -

                                                                                      The 90 degree elbow allows installation of a gas heater at a 90 degree angle inside the structure. It can also be used if vertical runs are needed as well. The angle is not adjustable. This stainless steel vent pipe fitting features a patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV...

                                                                                      Stainless Steel Category 3 Vent Adjustable Wall Thimble + Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, thimble
                                                                                      Price: $88 - $102
                                                                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                      Item #: VG -

                                                                                        This unique wall thimble has a built-in 18" section of adjustable pipe which goes to the inside of your structure giving you a lot of flexibility when running the vent pipe to your heater. The pipe is also sealed to the thimble so there is no air leakage to worry about. This thimble is for walls 4 1/4" to 8 1/2" thick (extensions are available for thicker walls). The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional...

                                                                                        Stainless Steel Category 3 Vent Drip Tee vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee, drip
                                                                                        Price: $55 - $63
                                                                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                        Item #: VB -

                                                                                          The drip tee is used to drain condensation if you do not have a 1/4" for foot downward slope in your horizontal vent line. Drip tee are for horizontal installations only. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting...

                                                                                          Stainless Steel Category 3 Vent Firestop Flashing vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, flashing
                                                                                          Price: $30.00
                                                                                          Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                          Item #: VH -

                                                                                            Firestop flashings are recommended for venting through combustible walls less than 4" thick. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. What is UL 1738? In short, it is a US standard for gas venting...

                                                                                            Stainless Steel Category 3 Vent Storm Collar vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, storm, collar
                                                                                            Price: $25 - $27
                                                                                            Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                            Item #: VK -

                                                                                              The storm collar is used to create a seal around the vent pipe and the firestop flashing or wall pass through. No collar is needed with the adjustable wall thimble. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. What is UL 1738? In short, it is a US standard for gas venting systems required in category 3 applications. Category 3 refers to positive vent pressure which is created by exhaust blowers in unit heaters. These vent systems must be...

                                                                                              Stainless Steel Category 3 Vent Tee vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee
                                                                                              Price: $59 - $66
                                                                                              Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                              Item #: VI -

                                                                                                Vent tees are designed to be used with the condensate caps in vertical or horizontal venting systems. A cap is placed in the lowest part of the Tee and collects any condensate that forms in the venting. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for...

                                                                                                Stainless Steel Category 3 Vent Tee Condensate Cap vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee, condensate, cap
                                                                                                Price: $30 - $31
                                                                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                                Item #: VA -

                                                                                                  Condensate caps are designed to be used with the Tee fittings in vertical or horizontal venting systems. It is placed in the lowest port of the Tee and collects any condensate that forms in the venting. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for...