Gas Water Heater Roof Vent Pipe

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.

Gas water heater roof vent pipe.

Direct vent water heaters. Gas vent pipe from grainger manufactured by reliable companies like ameri vent and bosch comes in lengths of up to 4 l. Also known as the type b this vent is operating on the natural air convection. Shop grainger for rugged gas pipe fittings.

With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. If the draft hood that came with your water heater has a top opening diameter designed for 3 vent pipe and you have 4 vent pipe installed use an adapter increaser. Oatey retro master roof flashing 1 4 in to 4 in x 8 in epdm rubber vent and pipe flashing. When installing a gas water heater building codes requires that they be ventilated out of the room through the attic and out through the roof.

The venting can run either vertically or horizontally with a longer line to help with space and sizing issues within your. After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the water heater connector onto the tank and tighten with. One on the ceiling above the water heater and one that is the distance from the attic floor to the roof. Apollopex corrugated the 3 4 in.

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. When the vent is withdrawing air from the house it expels the gas outside through the vent. Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top of the water heater which requires an electrical outlet to be close to the water heater. Apollopex corrugated stainless steel water heater connector was designed for the fast and simple installation of hot and cold water lines to water heaters using pex connections.

Find vent pipe flashing at lowe s today. 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. Gas water heater draft hoods come in different sizes and if you are replacing water heater make sure that the draft hood and the water heater vent pipe match each other. The blower pushes the exhaust and excess heat through the exhaust venting.