Blocked Attic Furnace Flue

How to clean a blocked furnace pvc vent pipe by elizabeth knoll high efficiency furnaces use two pvc pipes for venting one is a combustion air intake and the other is the combustion air exhaust.

Blocked attic furnace flue.

If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure. Every vented heating appliance in your home should be inspected and cleaned regularly to prevent carbon monoxide poisoning. The flue is the metal tubing that extends up from the top of your gas furnace or water heater that carries the carbon monoxide gas from the heating unit to your. To work properly a furnace needs adequate airflow.

If your furnace is having problems with starting or seems to be trying to start but doesn t. One is blocked with debris. Furthermore if you have this problem or see it on your furnace heating system please consult a professional. There are 2 air registers on the exterior of the house on the wall opposite the furnace room.

Where the vent passes through insulation in an attic the insulation shield must be terminate at least 2 inches above the insulation and. The issue is the flue itself gets nice and warm which means there is effectively a heater going in the attic when the furnace is active. You might not receive the same air movement benefits if the unit is in a garage either. There is no insulation shield installed in the attic around the flue vent pipe.

Seems our furnace flue as it should comes up through the house through the attic and vents out through the roof. Furnace shut off immediately when the exhaust vent was completely blocked either at the vent outlet midway between the furnace and the vent outlet or at the inducer fan outlet. The flue on your furnace is designed to vent carbon monoxide and other gases made during the combustion process outside. If not repaired eventually the corrosive condensation dripping down the flue will cause a flue or ventilation failure.

The furnace btw is natural gas and drives a hot water baseboard heat system. These issues have been observed on all kinds of furnaces including gas and oil furnaces. The co concentrations in the chamber and the air free flue gas concentrations were. These pipes typically vent out the side of your home and not into a chimney like older furnaces.

A blocked utility flue serving a gas water heater furnace or boiler can mean serious problems. How to insulate a metal flue pipe. A blocked flue can cause deadly carbon monoxide back up into the home and is the primary reason for shutting down the system when this occurs. Safety first flue condensation problems.