Venting Hot Water Heater Through Wall

Direct vent water boiler.

Venting hot water heater through wall.

Hot water heater venting horizontally. 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. This water heater is found in different homes.

Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. 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. The atmospheric water heater is very common.

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 only other option is an electric water heater which requires no vent. 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. 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. Single wall vent pipe cannot pass through any interior wall. 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. Direct vent water heaters. It s easier to run the vent if you install a power vented type of natural gas or propane water heater. This type of venting system is different from what you see on most gas water heaters.

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. The direct vent water boiler is another type of water heater venting that you should know. Venting a hot water heater through the wall atmospheric water heater. I will also install a thimble in the wall to separate the exhaust pipe from combustibles.

Measure the diameter of the exhaust pipe leaving your hot water heater. I was hoping if i went up a foot for every foot of horizontal the draft will be sufficient. Exceptions may be made for non combustible walls such as solid masonry.