Air Vent Type B Gas Cap Vent

The Air Vent Type B Gas Cap Vent is an adjustable vent cap that vents combustible gases and is available in three different sizes ranging from 3 inches to 9 inches. This roofing cap is designed for LP and gas-fired appliances and is not meant for wood-burning applications. Composed of heavy-duty aluminum, it will help the vent resist rust and corrosion while also preventing weather, debris, and birds from coming in. The only tools required is a wrench and screwdriver making this vent easy and fast to install. With a 5 year limited warranty, this user-friendly vent cap is the perfect addition to LP and gas-fired appliances. Warning: If the Gas Vent Pipe extends past the top of the vent cap collar combustion gases will not vent properly. Do not insert the pipe to the dome of the vent cap will block the flow of combustion gases.