We offer a complete line of venting, mounting / hanging kits, and thermostats for the Modine HD Hot Dawg gas unit heaters.


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Aprilaire Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, aprilaire
Price: $87.95
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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
    Price: $21.95
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    Availability: In Stock - Usually ships in 1 to 2 days.
    Item #: 4820505 -

      This simple heating thermostat can be used with any of the gas heaters that we offer. 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 requires wiring. Features 50° to 90° F temperature rangeDisplays room temperatureFor use with 24 volt or millivolt single stage heaters ...

      RobertShaw Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, robertshaw, robert, shaw
      Price: $34.95
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      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....

        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...

          Quick Sling Flush Mount Hanging Kit
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          Retail: $165.00
          Price: $139.00
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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: $175.00
            Price: $149.00
            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...

              Gas Heater Category 3 Horizontal Vent Kits modine, heater, hd, hot, vent, kit, exhaust, category, 3, III, stainless, steel, UL, 1738, system venting, pipe, package, mr, big, maxx, MHU50, MHU80, MHU125, MHU, heatstar, enerco, dayton, lennox
              Price: $249 - $285
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              Availability: In Stock - Usually ships in 1 to 2 days.
              Item #: 465010 -

                Vent Size Compatible Gas Heaters 3 inch Modine Hot Dawg - HD30, HD45, HD60, & HD75 4 inch Modine Hot Dawg - HD100 & HD125   Mr. Heater / Big Maxx - MHU50, MHU80, MHU125   Reznor - UDX & UDZ (up to 125K BTU)   Dayton - Low profile unit heaters up to 120K BTU These universal heater exhaust kits come complete with everything needed to vent a gas heater up to 3' (additional pipe and/or a drip tee may be required for some units). These 3' stainless steel, gas tight, category 3 vent...

                Stainless Steel Category 3 Adjustable Length Vent Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category
                Price: $62 - $106
                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: $41 - $49
                  Availability: In Stock - Usually ships in 1 to 2 days.
                  Item #: VF -

                    The heater adapter has a silicone gasket and locking band on one end to connect to the category 3 piping and a universal screw mount on the opposite end for connecting to the heater. Heater adapters are required to secure the category 3 venting to a gas unit heater. Adapters fit most standard gas unit heaters including: Modine, Sterling, Mr. Heater, Reznor, ADP, and Dayton brands (other heater brands may need some minor modifications for assembly). The stainless steel heater vent pipe and...

                    Stainless Steel Category 3 Standard Vent Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category
                    Price: $32 - $85
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                    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: $68 - $82
                      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: $73 - $88
                        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 90 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow
                          Price: $86 - $107
                          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: $103 - $109
                            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: $65 - $74
                              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: $35.00
                                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 Screened Termination Tee vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee, termination
                                  Price: $53 - $128
                                  Availability: In Stock - Usually ships in 1 to 2 days.
                                  Item #: VM -

                                    Used for standard and high-wind through-the-wall terminations. Comes with built-in screens to keep birds out. 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...

                                    Stainless Steel Category 3 Vent Storm Collar vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, storm, collar
                                    Price: $30 - $32
                                    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 Wall Thimble Extension
                                      Price: $23 - $28
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                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                      Item #: VN -

                                        The wall thimble extension is used to add 6” of length to Wall Pass Through and Wall Thimble for thicker walls. 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 constructed of AL29-4C® stainless steel, contain gaskets for sealing, and have a built in mechanical locking band among other requirements. All category 3...