Can You Vent A 80 Furnace Through A Wall

The wall mount direct vent gas furnace exhaust vent outdoor clearance distances shown in our illustration below are an example adapated from williams 2018.

Can you vent a 80 furnace through a wall.

You cannot just take the vent off an 80 efficient furnace and run it out a side wall. Replacing a gas furnace whether a wall or forced air furnace requires the appropriate venting to protect your family from carbon monoxide poisoning. Be sure to check the clearance distances required for your particular heater brand and model. If you re not sure you have the necessary expertise to handle the equipment tools and materials required to vent a gas furnace don t hesitate to hire a professional.

Taking care of the vent on your gas furnace is extremely important but working improperly and damaging your vent can have catastrophic results. So what does this mean. The answer is yes and no. You need to use an auxiliary power inducer.

This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. An 80 efficient furnace can be side wall vented per national fuel as code 7 3 4 with the use of a mechanical draft system of either forced or induced draft design. What vent pipe is required on top of a furnace. Always go by the manufactures installation instructions in short no even if it had a combustion blower as in some 80 furnaces they need a vertical vent to operate as intended and be to code.

It could either go out the unused walled in chimney that the oil furnace was vented through or they could cut a hole in the concrete block wall and vent it out the side of the house. You cannot just take the vent off an 80 efficient furnace and run it out a side wall. The barometric damper will prevent pulling additional excess air through the furnace. When the vent is withdrawing air from the house it expels the gas outside through the vent.

The combustion air flow through the furnace must be controlled or its efficiency will decline. The basement ceiling is about 6 1 2 or 7 feet high.