Shop grainger for rugged gas pipe fittings.
Water heater vent pipe types.
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.
Natural draft gas water heater vent pipe material.
The existing vent system must be ul listed type b double wall or single wall metal vent pipe of either 3 inch or 4 inch diameter and installed according to the vent manufacturer s instructions and the terms of its listing.
It can provide an aesthetic installation with a single wall or roof penetration.
Do not use other materials such as dryer vent hose.
The duct may be metal or plastic depending on the type of vent system.
The water heater vent type needed for your water heater will depend on both the location of the unit and the model of the water heater.
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.
There are two common natural draft gas water heater vent pipe systems.
These vent pipe kits include storm collar kits vent adapters connectors and elbows.
However the material of the concentric venting may be different depending on the water heater.
Water heater vent pipe draft hood.
Concentric venting may be used with several types of water heaters including direct vent power direct vent and tankless water heaters.
Draft hood and gas water.