Furnace Roof Vent Ice

The solution is simple.

Furnace roof vent ice.

I am getting condensation dripping down the outside face of my furnace vent at the roof. Clear the snow from the intake and exhaust pipe. Is this the smart thing to do. When such obstructions interfere with the operation of the furnace they starve it for air but be assured there.

There is a cast iron exhaust pipe that travels from my basement to above the roof. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. 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. Turn the furnace off wait a minute and then turn back on.

My heater keeps shutting itself off to prevent overheating because its roof vent is blocked by ice. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. The unit will reset. Goose neck vent the master flow 4 in.

Something you may have noticed is snow and ice building up around the vents of your high efficiency furnace. Also known as the type b this vent is operating on the natural air convection. I don t know for sure but you are probably pushing the limits of this particular furnace and exhaust setup. Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl.

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. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. Objects sticking out of a vent can allow snow to accumulate and ice over as snow is repeatedly thawed and frozen again.

The master flow 4 in. As the temperatures are dropping your furnace is working even harder. We have a new high efficiency furnace and are anxious when snow on the roof or ice buildup from condensation blocks the vent. What you are seeing in picture 1 below is the aluminum sleeve and cap i installed when replacing my roof.

We often don t use the furnace until the area is cleared. When the vent is withdrawing air from the house it expels the gas outside through the vent. The gases in your furnace are condensing and it appears to be so cold that they freeze almost immediately after touching the cold air. It s made of zinc coated galvanized steel for durability and reliability.