Venting A Gas Heater Through Wall

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.

Venting a gas heater through wall.

Instead both systems typically expel exhaust through a pipe that runs. Direct vent 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. Some people prefer this method since this option allows you to maintain the integrity of your roof. Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article.

The size of the duct you ll use depends on the size of the vent flange on the heater. You ll need to same tools as the ones required for a roof vent. You ll want your ductwork and the flange to be of the same size. Illustrations of proper gas fired water heater venting using type b double wall vent pipe through a roof above or through a chimney below include details for the flue vent connector such as the requirement of a minimum vent connector upwards slope of 1 4 per foot of horizontal run.

Typical vents are usually galvanized sheet metal ducts vented through the wall or vented through the roof with a flue.