Venting Hot Water Heater Through Wall

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.

Venting hot water heater through wall.

Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit. It s easier to run the vent if you install a power vented type of natural gas or propane water heater. Venting a hot water heater through the wall atmospheric water heater. Direct venting or side wall vent chimney and flue systems are a method of venting the exhaust gases from a heating appliance directly out through the side wall of a building while eliminating the need for a vertical chimney of any sort.

Anonymous user i would like to vent a hot water tank through a side wall. If it is a 3 inch diameter pipe the inside cross sectional area of the chimney flue liner should not exceed 49 square inches. Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall. If the exhaust pipe is 4 inches in diameter the flue liner cross sectional area should not be larger than 88 square inches.

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. 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. I will also install a thimble in the wall to separate the exhaust pipe from combustibles. Exceptions may be made for non combustible walls such as solid masonry.

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. Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. The difference is that a power vent water heater pulls in combustion air from the space. Flue in a flue.

Can i do this without using a powered unit. The direct vent water boiler is another type of water heater venting that you should know. The only other option is an electric water heater which requires no vent. This water heater is found in different homes.

I was hoping if i went up a foot for every foot of horizontal the draft will be sufficient. Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters but installing a standard vent in a house without an existing chimney is expensive. This type of venting system is different from what you see on most gas 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.

Direct vent water boiler. Direct vent water heaters. Hot water heater venting horizontally.