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lutful
... of ideas
Premium
join:2005-06-16
Ottawa, ON
kudos:1
reply to seandrom

Re: furnace doesnt come on

said by seandrom :

Furnace is at least 7 yrs old. Any suggestions as to what the problem could be? Electronic or just a bad filter unit?

Our furnace is much older with no electronic filter but ... a few years ago something like this happened.

The HVAC guy came and changed the flame sensing element (aka thermocouple) and charged me $$$. If it happened again, I think I could do it myself.

I am curious how you are sure that the thermostat is working properly. Have you actually checked heat call relay tripping by adjusting the temperature settings?