Basic instructions on how to run pvc flue venting on high efficiency furnaces.
Pvc furnace roof vent.
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This vent is designed to be used on 4 in.
This vent features a heavy duty screen which helps protect against small animals from entering your home through the vent.
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
The outer pipe draws air for combustion from outside and the smaller pipe occupies the inner position and is used to vent the exhaust fumes.
Also known as the type b this vent is operating on the natural air convection.
The black finish helps this vent blend into your home s rooftop.
This type is an ideal alternative to natural vent systems.
Despite the confusion the safe practice would suggest the use of pvc schedule 40 pipes for the air intake vent on the furnace and cpvc for the exhaust flue vent given its higher service temperature.
It s made of zinc coated galvanized steel for durability and reliability.
When the vent is withdrawing air from the house it expels the gas outside through the vent.