Furnace And Water Heater Venting Diagram

The lower btuh of a gas water heater compared with a heating furnace or boiler will very often be unable to heat the chimney interior sufficiently to develop a draft.

Furnace and water heater venting diagram.

The blower pushes the exhaust and excess heat through the exhaust venting. The old vent pipe is too large because it served both the furnace and water heater. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. Gas water heater vent codes standards.

Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top of the water heater which requires an electrical outlet to be close to the water heater. High e furnaces have separate venting. When the vent is withdrawing air from the house it expels the gas outside through the vent. 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.

With a replacement high efficiency furnace the existing vent pipe does not work for water heater only because the vent is too large. The result is a back draft of combustion products out of the water heater s draft hood and into the building. Bradford white water heaters may at any time and at its sole discretion change or replace the information available on the bradford white water heaters youtube channel and in the videos contained therein. Also known as the type b this vent is operating on the natural air convection.

The photo below shows typical combined furnace water heater venting. The venting can run either vertically or horizontally with a longer line to help with space and sizing issues within your. Consequences of improperly assembled vent pipes problematic chimney flue deteriorating chimney walls can be sometimes fatal fire and carbon. Proper furnace water heater venting is an extremely important issue which depends on the performance of the house chimney chimney flue or other exhaust assemblies.