Venting Water Heater Through Wall

Hot water heater venting horizontally.

Venting water heater through wall.

Such installation could create pyrophoric conditions and a fire hazard. My water heater is now the only thing venting into the masonry chimney. Exceptions may be made for non combustible walls such as solid masonry. Can i do this without using a powered unit.

The new furnace vents directly through the wall to the exterior. Direct vent water boiler the direct vent water boiler is another type of water heater venting that you should know about. The difference is that a power vent water heater pulls in combustion air from the space. I will also install a thimble in the wall to separate the exhaust pipe from combustibles.

Direct venting or side wall vent chimney and flue systems are a method of venting the exhaust gases from a heating appliance directly out through the side wall of a building while eliminating the need for a vertical chimney of any sort. I m concerned about exhaust gas damage that might be occurring inside my chimney. I was hoping if i went up a foot for every foot of horizontal the draft will be sufficient. Most tankless heaters are also designed for sidewall venting.

There are plenty of heaters that are designed for sidewall venting including powervent models some that vent through pvc pipe. This vent also allows for off gasses to be unleashed outside too. Direct vent water heaters with a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. They do make two models of power vent units one is called a direct vent power vent as bob harper pointed out it draws its combustion air from outside unlike a standard power vent unit which burns its combustion air from the dwelling.

Exhaust gases are vented outdoors through a separate vent duct or through a separate chamber of the same pipe this requires a double wall vent duct. Single wall vent pipe cannot pass through any interior wall. Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. Robert k norwich ct.

Do you think it s necessary to have a chimney liner installed. Single wall vent pipe cannot be used for water heaters located in attics and may not pass through attic spaces crawl spaces or any confined or inaccessible location. Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall. Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit.