Venting Hot Water Heater Through Wall

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.

Venting hot water heater through wall.

Flue in a flue. Direct vent water boiler. If it is a 3 inch diameter pipe the inside cross sectional area of the chimney flue liner should not exceed 49 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.

It s easier to run the vent if you install a power vented type of natural gas or propane water heater. Direct vent water heaters. Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall. This type of venting system is different from what you see on most gas water heaters.

Measure the diameter of the exhaust pipe leaving your hot water heater. Anonymous user i would like to vent a hot water tank through a side wall. The difference is that a power vent water heater pulls in combustion air from the space. Venting a hot water heater through the wall atmospheric water heater.

The direct vent water boiler is another type of water heater venting that you should know. Single wall vent pipe cannot pass through any interior wall. Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. Can i do this without using a powered unit.

If the exhaust pipe is 4 inches in diameter the flue liner cross sectional area should not be larger than 88 square inches. I was hoping if i went up a foot for every foot of horizontal the draft will be sufficient. I will also install a thimble in the wall to separate the exhaust pipe from combustibles. Hot water heater venting horizontally.

The only other option is an electric water heater which requires no vent. Exceptions may be made for non combustible walls such as solid masonry. Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit. 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.

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. 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. The atmospheric water heater is very common.