High Efficiency Hot Water Heater Gas Venting

Discover bradford white s high efficiency ef series power vent gasfor your water heating needs.

High efficiency hot water heater gas 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. Smith s line of high efficiency condensing gas tank water heaters are the high performance answer for your hot water needs. They have combustion air supplied from the exterior some water heater pvc vent pipe systems might be 2 pipes starting at the water heater and converted into one concentric. The exhaust gas temperature of modern gas furnaces and water heaters is much lower than past appliances because much more heat is harvested so you waste less money up your chimney.

Traditional masonry chimneys were designed and sized to vent very hot flue gases from old coal wood burning or low efficiency gas furnaces. The photo below shows typical combined furnace water heater 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. 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.

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. There are also single concentric water heater power vent pvc vent pipe systems used by a high efficiency and high efficiency condensing storage tank type water heaters.