Water Heater Roof Venting Requirements

To do this two critical measurements must take one on the ceiling above the water heater and one that is the distance from the attic floor to the roof.

Water heater roof venting requirements.

These vents must be made of suitable materials and be kept clear of combustible materials. Proper venting gas and propane heaters emit carbon monoxide which must be vented outside. 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. Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.

These vents must be made of suitable materials and be kept clear of combustible materials. Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide. All water heaters that burn natural gas or liquid propane lp gas require a venting system. 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.