This one vents out the side wall and it is perfectly fine.
Can you vent a hot water heater out the wall.
They are a bit more expensive but do not require electricity to run a power vent.
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.
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.
The only other option is an electric water heater which requires no vent.
Most tank type gas water heaters are atmospheric vent type and they are required to vent vertically and above the roof of a home.
If your water heater is near an outside wall you can go with a direct vent water heater.
Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall.
The difference is that a power vent water heater pulls in combustion air from the space.
Can a standard water heater be side vented.
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.
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.
To make venting easiest install your tankless water heater on an outside wall.
Exceptions may be made for non combustible walls such as solid masonry.
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.
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.
Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit.
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.
Photos go a long way.
Installing your tankless water heater for easier venting.