Gas Water Heater Vent Pipe Code

The pan shall be drained by an indirect waste pipe having a diameter of not less than 3 4 inch 19 mm.

Gas water heater vent pipe code.

11 pipe should be of approved materials. For some reason the installer of the water heater shown below decided that the tpr drain piping needed a vent pipe. Well making sure that you choose the right venting style will protect them. Proper venting gas and propane heaters emit carbon monoxide which must be vented outside.

The photo below shows typical combined furnace water heater venting. The process of burning of the gas is called combustion and it creates heat exhaust gases including highly poisonous carbon monoxide and moisture the water heater s ventilation system removes these byproducts from the home making it a critical safety feature. 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. Copper glavanized steel cpvc and pex or pe rt are all approved.

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. 504 7 1 pan size and drain. All water heaters that burn natural gas or liquid propane lp gas require a venting system. With a replacement high efficiency furnace the existing vent pipe does not work for water heater only because the vent is too large.

When installed correctly this venting arrangement works with an 80 gas furnace or lower than 80 gas water heater. For safety water heaters must be vented using a listed and approved venting system that provides adequate size height and draft. Use the manufacturer provided draft hood. 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.

These vents must be made of suitable materials and be kept clear of. The different types of venting. Violating these codes may result in fines voiding your warranty or putting your family at risk. Understanding water heater installation code requirements can be a real pain.

The pan shall be not less than 1 1 2 inches 38 mm in depth and shall be of sufficient size and shape to receive all dripping or condensate from the tank or water heater. When we are talking about gas furnace vent pipe code we need to talk about the different types of the vents first after all you want to keep your family safe from harm. 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.