Direct Vent Oil Furnace Exhaust Code

Exhaust or venting of heating appliances may be horizontal direct through a building side wall or vertical up through the building roof.

Direct vent oil furnace exhaust code. 80000 furnace and 40000 water heater 120 x 50 6000 ft3 800 ft2 7 ft ceiling 20. Category iv direct venting intake and exhaust pipes. The different types of venting. All hef produce water vapors.

The b149 gas and propane code section 8 3 7 states no moisture exhaust vent should be closer to any air intake vent back to the furnaces air and combustion chamber. Direct or sidewall vent conventional oil or gas fired heater exhaust compared with a high efficiency condensing furnace or boiler. Direct or through the wall venting of oil fired heating equipment is becoming a major discussion topic in the oil heat industry. Combustion air rules from nfpa 54 new hampshire the international mechanical code or your the direct venting two pipe you can t talk about venting a condensing gas furnace without also discussing draining.

An induced draft fan typically pr. Nfpa 54 code better buildings. But what is the difference between direct exhaust and direct venting. Better business robert parkhurst march 3 2017.

For the venting of oil fired appliances to masonry chimneys the resizing shall be done in accordance with nfpa 31. Well making sure that you choose the right venting style will protect them. My intake air vent was on the wrong side and was five inched apart from the exhaust vent.