Questions & Answers for: new furnace runs 2 minutes

New filter has no effect on problem. Has been going on for last 3 heating seasons. Furnace is 8 years old and has been serviced for other concerns. Furnace is in garage. 4 inch flue running 30 degrees

furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but

furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but

furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but

furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but

furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but

...new unit model 127A 17 seeris $2700-$3200. Lastly, he wants to replace duct work in attic which was replaced 5 years ago, as well as wall vents made larger and intakes made larger under furnace. Holy ...

new thermostat with no change. My next steps are to remove and inspect the blower, inspect and clean the flame sensor, and/or wire the blower to run faster. Any suggestions would be appreciated. There

...furnace again. By turning on the fan to on the high temp limit will not shut you down again. I have had high temp limit change there trip points, but you said you bypassed it and did the same thing. ...

...furnace high heat limiter trips for subsequent tests after a new filter was installed and I verified no obstructions and a free spinning blower. When we first ran the furnace we did get a ...