Venting A Power Vent Gas Water Heater

Power venting water heaters are considered more energy efficient than a standard direct vent system and are more effective at preventing back draft air from entering the water heater.

Venting a power vent gas water heater.

Because the power vent uses a fan motor to draw the exhaust fumes through the flue the venting can be longer and more horizontal which will give you more. The duct may be metal or plastic depending on the type of vent system. Gas water heater vent configurations standard atmospheric vent. 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.

A power vent water heater differs from the older direct vent water heaters in terms of where the venting is found. With a power vent model the vents exhaust horizontally out of a pipe. Power vented water heaters work the same as ordinary water heaters but the exhaust gases are blown out with a small fan instead of rising upwards through metal pipes. Direct vent models can only be attached to your home s chimney where the gasses are vertically expelled from the heater.

The hot exhaust gases from a natural draft water heater rise through an open draft diverter and out through a metal duct. A direct vent system pulls in. The difference is that a power vent water heater pulls in combustion air from the space around the appliance then uses a fan to propel the exhaust through the vent. Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top.