Water Heater Exhaust Pipe Code

Code expert glenn mathewson describes 10 common water heater code issues including confusion about drip pans and drains unsupported expansion tanks and plastic vents lack of combustion air and more.

Water heater exhaust pipe code.

These questions answers about codes standards for venting gas fired water heaters were posted originally at gas fired water heater venting be sure to review the codes and standards given there. This is as easy as heading down to the local planning or building department to ask for one. The vent system for a gas fired water heater must be installed according to local and state codes or in the absence of local or state codes the current edition of the national fuel gas code ansi z223 1 nfpa 54 link to 2012 edition. For some reason the installer of the water heater shown below decided that the tpr drain piping needed a vent pipe.

Installing a tank water heater might seem easy but homeowners who refinish their basements often create a number of code violations with respect to the water heater. Well making sure that you choose the right venting style will protect them. The first permit is for the water heater itself. 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.

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. Apollopex corrugated the 3 4 in. You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber. 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 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. With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. Direct vent water heaters. 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.

After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the. Q a on proper safe exhaust vent codes standards for gas fired water heaters. 11 pipe should be of approved materials. How much does a water heater permit cost.