Furnace Roof Vent Ice

Clear the snow from the intake and exhaust pipe.

Furnace roof vent ice.

Turn the furnace off wait a minute and then turn back on. When the vent is withdrawing air from the house it expels the gas outside through the vent. To find where the intake or exhaust pipe and vent are located go to the furnace and look for a black or white pipe not the metal heating ducts going from the furnace to an outside wall. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.

When such obstructions interfere with the operation of the furnace they starve it for air but be assured there. What you are seeing in picture 1 below is the aluminum sleeve and cap i installed when replacing my roof. This vent is designed to be used on 4 in. Traditional gas fired forced air furnaces produce hot combustion exhaust gasses and therefore need metal vent pipes or chimneys.

Something you may have noticed is snow and ice building up around the vents of your high efficiency furnace. We often don t use the furnace until the area is cleared. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. The master flow 4 in.

It s made of zinc coated galvanized steel for durability and reliability. The unit will reset. I think i know why this is happening i m just curious how to remedy it. I don t know for sure but you are probably pushing the limits of this particular furnace and exhaust setup.

Objects sticking out of a vent can allow snow to accumulate and ice over as snow is repeatedly thawed and frozen again. There is a cast iron exhaust pipe that travels from my basement to above the roof. Is this the smart thing to do. Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl.

Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. My heater keeps shutting itself off to prevent overheating because its roof vent is blocked by ice. Also known as the type b this vent is operating on the natural air convection. The solution is simple.

We have a new high efficiency furnace and are anxious when snow on the roof or ice buildup from condensation blocks the vent. Goose neck vent the master flow 4 in. I am getting condensation dripping down the outside face of my furnace vent at the roof. In contrast modern high efficiency condensing furnaces exhaust much cooler gasses and need only plastic pipe materials such as pvc cpvc or abs for their exhaust vents some high efficiency furnaces also include a plastic pipe for intake area and all types.