Venting Gas Water Heater Through Outside Wall

The direct vent water boiler is another type of water heater venting that you should know.

Venting gas water heater through outside wall.

This water heater is found in different homes. 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. Yes you can vent a gas fired water heater out of the wall if it is either a power vent unit. The duct may be metal or plastic depending on the type of vent system.

All water heater venting systems use a vent duct or pipe also called a chimney or flue to bring exhaust gases from the water heater to the outdoors. Venting a hot water heater through the wall atmospheric water heater. Direct vent water boiler. The only other option is an electric water heater which requires no vent.

The atmospheric water heater is very common. The purpose of venting a gas or oil fired water heater is to completely remove all products of combustion and to vent gasses to the outside air without condensation in the vent or spillage at the draft hood except in cases of downdraft or poor stack conditions. Water heater ducts may lead directly outdoors or they may tie into a larger vent duct that also serves a gas or propane furnace or boiler in the home. Instead both systems typically expel exhaust through a pipe that runs outside through an exterior wall.

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. 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. Williams wall furnace propane wall heater 600 900 sq. The difference is that a power vent water heater pulls in combustion air from the space.

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