The pvc pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process.
Venting furnace with pvc.
When the vent is withdrawing air from the house it expels the gas outside through the vent.
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.
Other aspects of high efficiency furnace venting.
These are connected to the furnace and routed out to the side of your home.
Connect this furnace to an approved vent system only as specified in the venting requirements section of these instructions.
This high efficiency venting system must be installed when you install the new furnace.
To combat this issue a high efficiency condensing furnace uses pvc pipes to extract the acidic water from your home.
The flue is also a safeguard against fire.
These pvc pipes are connected to the furnace and expelled outside.
This ensures that those in the building are not harmed by toxic gases and other byproducts of combustion.
Basic instructions on how to run pvc flue venting on high efficiency furnaces.
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
You need to make sure your furnace is venting properly.
It is black but actually is made of cpvc.
These particular types of furnaces use positive pressure vent systems exhaust gas temperature less than 1400f above the dew point temperature and are always equipped with an induced draft motor that removes exhaust gases from the appliance and discharges them to the exterior.
Table illustrations of the required space between a direct or side wall vent for a gas fired heating appliance and building windows doors corners gas meter air intakes sidewalks balconies.
Read the manufacturer s instructions.
Which means you may not use abs or pvc cement to attach it to your venting.
The furnace space as specified in the venting requirements section of these instructions.
Adequate clearance must be provided around the vent air intake terminals.
The vent pipe or flue is a vital component of the furnace that transmits emissions from the combustion process out of the building.
Combustion products must be discharged outdoors.
The venting system is installed at the same time as your high efficiency furnace.
Also known as the type b this vent is operating on the natural air convection.