Gas Water Heater Vent Pipe Code

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.

Gas water heater vent pipe code.

These vents must be made of suitable materials and be kept clear of combustible materials. 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. All water heaters that burn natural gas or liquid propane lp gas require a venting system. Proper venting gas and propane heaters emit carbon monoxide which must be vented outside.

For some reason the installer of the water heater shown below decided that the tpr drain piping needed a vent pipe. 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. Apollopex corrugated the 3 4 in. 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 california water heater code is part of a larger statewide california plumbing code and has several very specific restrictions. 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. 11 pipe should be of approved materials.

The different types of venting. 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. 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. For safety water heaters must be vented using a listed and approved venting system that provides adequate size height and draft.

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. Atmospheric venting refers to a system in which exhaust from the water heater naturally rises out of the appliance s combustion chamber then travels up through a standard chimney style flue.