Can You Vent A Hot Water Heater Through The Wall

With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof.

Can you vent a hot water heater through the wall.

Single wall vent pipe cannot pass through any interior wall. Wednesday november 28 2018 most tank type gas water heaters are atmospheric vent type and they are required to vent vertically and above the roof of a home. Hot water heaters and other fuel venting appliances must have vents sized according to code. 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.

Without knowing the water heater type vent type location and type of termination no one can give you a more definitive response. Direct vent water heaters. The vents go directly outside through the wall which pulls in the outside air for combustion. Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall.

Water heaters and vents come in multiple forms including induced draft direct venting and conventional draft. The difference is that a power vent water heater pulls in combustion air from the space. This is potentially a good application for tankless esp if you are in a warm weather climate. 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.

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. Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit. 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. Chimney venting may not be the right way to vent these appliances.

Direct vent water boiler the direct vent water boiler is another type of water heater venting that you should know about. Two specialized types of water heaters direct vent and mechanical vent also called power vent are exempted from this code requirement. This vent also allows for off gasses to be unleashed outside too. Can you vent a gas hot water heater with pvc.

Photos go a long way. Be sure you understand what the restrictions are as far as vent placement. Decide if you are going tank or tankless. Yes all water heaters required to be vented outdoors.

Exceptions may be made for non combustible walls such as solid masonry.