Gas Furnace Vent Through Roof

The master flow 4 in.

Gas furnace vent through roof.

When the vent is withdrawing air from the house it expels the gas outside through the vent. Always replace a gas furnace s roof vent with a compatible flue pipe storm collar and termination cap. These byproducts in the form of combustion gases must be removed from your home via a venting system. A gas furnace uses a double wall flue pipe for its vent.

Louis furnace repair and installation contractor. Also known as the type b this vent is operating on the natural air convection. Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. It s made of zinc coated galvanized steel for durability and reliability.

This vent is designed to be used on 4 in. The inner liner carries the furnace s exhaust fumes outside and the outer liner insulates and protects the inner liner. Another problem is that flue pipes that go through the roof tend to be less efficient. We service the st.

If you have any questions about whether your furnace flue pipe should go through the roof or the side of the house or if you d like a furnace installed in your st. High efficiency furnaces take advantage of the heat in the combustion gases that are wasted in natural ventilation systems. Louis area home contact jerry kelly your st. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.

Locate the vertical section of furnace vent pipe that passes through the attic. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. Goose neck vent the master flow 4 in. A conventional furnace vents these combustion gases through a vertical exhaust system that is attached to the furnace.

If your furnace has an afue rating of 90 or lower it probably exhausts the gases though the flue pipe on your roof. 4 remove the metal straps that secure the upper and lower portions of the vent pipe to the roof and ceiling framing.