Venting Water Heater Through Wall

Single wall vent pipe cannot pass through any interior wall.

Venting water heater through wall.

Such installation could create pyrophoric conditions and a fire hazard. Most tankless heaters are also designed for sidewall venting. 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.

Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall. 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. Anonymous user i would like to vent a hot water tank through a side wall. Robert k norwich ct.

Exceptions may be made for non combustible walls such as solid masonry. Direct vent water boiler the direct vent water boiler is another type of water heater venting that you should know about. The air that is used for combustion will come from the water vent this vent will either through the roof or from the outside of the wall. Hot water heater venting horizontally.

Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. My water heater is now the only thing venting into the masonry chimney. Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit. I was hoping if i went up a foot for every foot of horizontal the draft will be sufficient.

Can i do this without using a powered unit. I m concerned about exhaust gas damage that might be occurring inside my chimney. Water heater vent pipe clearances and restrictions single wall gas water heater vent pipe connector cannot be installed closer than 6 from any combustible materials such as floor wall framing paper etc. This vent also allows for off gasses to be unleashed outside too.

The new furnace vents directly through the wall to the exterior. There are plenty of heaters that are designed for sidewall venting including powervent models some that vent through pvc pipe. I will also install a thimble in the wall to separate the exhaust pipe from combustibles. 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.