Can You Vent A Hot Water Heater Out The Wall

A blower or power vent draws combustion air in to the heater and a power vent pushes exhaust gases out through a separate or dedicated exhaust flue.

Can you vent a hot water heater out the wall.

Can a standard water heater be side vented. Photos go a long way. They are a bit more expensive but do not require electricity to run a power vent. Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit.

All solid liquid or gas fueled water heater whether they are tank type or tankless must vent through the roof unless they are direct vent. 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. The heating appliance vents directly out through a building side wall powered by natural draft provided by the heating equipment typically using a single wall metal flue or chimney or a b vent. Exceptions may be made for non combustible walls such as solid masonry.

If your water heater is near an outside wall you can go with a direct vent water heater. Two specialized types of water heaters direct vent and mechanical vent also called power vent are exempted from this code requirement. If the unit is installed on a basement wall the vent pipe can be run up just a few feet and then vented out the side with the use of a 90 degree elbow. To make venting easiest install your tankless water heater on an outside wall.

Most tank type gas water heaters are atmospheric vent type and they are required to vent vertically and above the roof of a home. Direct vent water heaters. This one vents out the side wall and it is perfectly fine. 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. Installing your tankless water heater for easier venting. 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. Without knowing the water heater type vent type location and type of termination no one can give you a more definitive response.

Single wall vent pipe cannot pass through any interior wall. The difference is that a power vent water heater pulls in combustion air from the space.