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Can you vent a hot water heater out the wall.
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 pass through any interior wall.
This one vents out the side wall and it is perfectly fine.
Water heaters and vents come in multiple forms including induced draft direct venting and conventional draft.
Without knowing the water heater type vent type location and type of termination no one can give you a more definitive response.
Most tank type gas water heaters are atmospheric vent type and they are required to vent vertically and above the roof of a home.
With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof.
Direct vent water heaters.
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.
The difference is that a power vent water heater pulls in combustion air from the space.
The only other option is an electric water heater which requires no vent.
Two specialized types of water heaters direct vent and mechanical vent also called power vent are exempted from this code requirement.
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.
To make venting easiest install your tankless water heater on an outside 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.
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.
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.
Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall.
Installing your tankless water heater for easier venting.
Exceptions may be made for non combustible walls such as solid masonry.
They are a bit more expensive but do not require electricity to run a power vent.
Can a standard water heater be side vented.