Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater "lennox furnace limit switch" Questions

Ad

...Lennox furnace 13 years old fires 3 times and goes out then fan kicks on then furnace fires again and it will run till thermostat seting is satisfied. What could be the problem? Open limit switch ...

Ad

Question about Heating & Cooling

1 Answer

Reset limiter switch on Lennox g10 furnace I need to reset limiter switch to get power to gas valve Try turning the power off to the unit sometimes this works

Ad

Question about Heating & Cooling

1 Answer

Lennox G12 furnace blower will not come on. It ignites and the burners come on for about 30 seconds then it shuts off.I have cleaned the flame sensor and changed the filter but no blower. It may be a ...

...Lennox Whisper Heat furnace. It heats,then the gas valve clicks and the flame briefly stops and starts again then the valve clicks again and the flame briefly stops and starts again..... You can sand ...

Question about Heating & Cooling

1 Answer

...Lennox furnace that continues to give me problems.The burners will stay lit appr 2 to 5 min and the go out even when there is still a call for heat.I have cleaned the flame rod and even replaced the ...

Question about Heating & Cooling

1 Answer

Lennox Whisper Heat that when a call for heat comes, the pilot lights as it should, then after about 30 seconds the blower fan comes on, then its about another minute before the burners light. Shouldn

Lennox there. The G-10's went out of production many years ago.... Since you have pilot and the thermocouple was replaced you will need to check and see if there is voltage going to the gas valve. You

Not finding what you are looking for?
Heating & Cooling Logo

802 questions posted

Ask a Question

Usually answered in minutes!

Top Honeywell Heating & Cooling Experts

Paul Carew

Level 3 Expert

3808 Answers

Cindy Wells

Level 3 Expert

6688 Answers

john h

Level 3 Expert

29494 Answers

Are you a Honeywell Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...