• Sterling GG Category 3 Horizontal Vent Kits  - 465110
  • Sterling GG Category 3 Horizontal Vent Kits  - 465110
  • Sterling GG Category 3 Horizontal Vent Kits  - 465110
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Price: $289 - $299
Availability: In Stock - Usually ships in 1 to 2 days.
VENT KIT:
Quantity:

For Sterling models GG30, GG45, GG60, GG75, GG90, GG105, & GG120
Each 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 heaters.

Sterling 4" Greenhouse Vent Kit Includes
For greenhouses and structures with walls less than 1 1/4" thick.
(1) 4" heater adapter, (1) 4" vent terminal, (1) 4" x 24" vent pipe, (1) 4" x 35" adjustable vent pipe, (2) 4" Firestop flashings, and (1) 4" storm collar

Sterling 4" Garage / Shop Vent Kit Includes
For structures with an exterior wall at least 4" thick. Adjustable length.
(1) 4" heater adapter, (1) 4" vent terminal, (1) 4" x 24" vent pipe, (2) 4" x 12" vent pipes, and (1) 4" adjustable wall thimble + 18" pipe

Sterling 4" 45 Degree Garage / Shop Vent Kit Includes
For heaters installed at a 45 degree angle to the wall in structures with an exterior wall at least 4" thick. Adjustable length.
(1) 4" heater adapter, (1) 4" vent terminal, (1) 4" 45° elbow, (2) 4" x 12" vent pipes, and (1) 4" adjustable wall thimble + 18" pipe

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.

Category 3 Gas Heater Vent Pipe and Fittings
What is UL 1738? In short, it is a US standard for gas venting systems required in category III applications. Category III 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.

Features
  • Made of AL29-4C® super-ferritic stainless steel
  • Built-in high temp silcone gaskets for air tight seal
  • Built-in locking band to insure a secure fit (no hardware needed)
  • UL1738 approved for category II, III and IV appliances.
  • Limited lifetime warranty

Item # 465110, 4651105, 4651100, 4651102

Overall Customer Rating of 6 Reviews:
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Sterling heater vent kit

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It was a breeze doing business with ACF greenhouses. Fast shipping and all their products are of best quality. Trust worthy!!!!!

Wyoming

Garage heater install

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This kit was everything I needed to get my garage heater installed. It's a nice kit I was looking around on a few different sites but I'm glad I ordered this one. Maybe it was just me but horizontal vent kits aren't easy to find and some of the kits were alot more than this one!

Pa.

GG45 Heater

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Venting kit worked well.

Vent cap caution

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I liked that piping was stainless and had joint seals built into it. The piping was easily installed with one section being adjustable for length. One problem I had was the end cap joint. When tightening the clamp it wouldn’t secure the end cap. If I continued to tighten it it would crush the slip joint. To solve this problem I made a 4” diameter ring from band iron that slipped inside the pipe joint. This gave the clamp something to clamp against without crushing it.

Southfield, MI

Hard to find!

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Good luck finding this stuff locally. I checked with 3 hvac equipment suppliers and none of people there even knew what category 3 or ul1738 was. I resorted to searching online for it and luckily found ACF. I asked the salesperson if this was some special venting required only by Sterling. He told me it is the same piping that has been required for all heaters like this since like 2012. WOW! Glad I didn't listen to these other stores who were trying to sell me something not even appropriate for this heater.