Designated for use on approved gas appliances the 3 in.
What is type b double wall vent pipe.
The air space between the inner and outer walls of the vent.
Type b gas vent is designed for negative pressure applications and flue gas temperatures not exceeding 400 f above ambient for category i appliances.
The exclusive locktab feature adds versatility to installation.
Each of these ameri vent gas pipes features rugged double wall construction with aluminum alloy 1100 3003 or 3105 inner pipe and corrosion resistant galvanized steel outer pipe.
4 inch round gas vent collection.
Duravent 5 inner diameter type b round gas vent pipe double wall 12 adjustable pipe length.
Type b double wall vent pipe allows you to install it within 1 inch of combustible materials such as wood framing and wall materials.
Type b gas vent components.
Durability is the result of high quality materials and workmanship with galvanized outer pipe and aluminum inner pipe providing protection against corrosion and external damage.
Light weight and rugged the american metal products 5 in.
Duravent aluminum high wind cap with 5 inner diameter.
Type b gas vent models m and mo double wall type b gas vent for approved category i natural gas or propane fired appliances gas furnaces heaters fireplaces and boilers in accordance with nfpa 211 standards for chimneys fireplaces vents and solid fuel burning appliances and nfpa 54 the national fuel gas code.
Die formed ends to assure uniform sizing.
Duravent 4 inner diameter type b round gas vent pipe double wall 12 adjustable pipe length.
One of the fire safety features of double wall type b gas vent is that its outer wall insulated by the airspace beneath it requires only 1 clearance to combustible material in the structure.
Made of strong durable galvanized steel this vent pipe is built to last.
With ends and fittings constructed with snap lock coupling it is a safe and secure fit for 5 in.
What is type b gas pipe.
Type b gas pipe also called b vent or natural vent is prefabricated double wall metal pipe used to vent gas appliances listed for use with type b gas vent.
Round type b gas vent pipe features an aluminum and steel double wall construction that is corrosion resistant.
Type b pipe is becoming less prevalent for venting hearth products but many furnaces and water heaters still use it.
5 inch round gas vent collection.
Duravent aluminum tee cap with 3 inner diameter.
