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Fedupw/furnace 12-26-2011 05:59 PM

electric furnace blower
I have an Intertherm electric furnace that refuses to shutdown after completing the heating cycle. It does this intermittently, not all the time. I had a HVAC guy look at it 4 weeks ago, for 15 minutes and charged me 60.00 and did nothing. He said he would need to come back several times and replace one thing at a time and see what remedied the problem. I said no way. I ordered a new thermostat and replaced it myself. Furnace worked okay for 3 weeks, now it's back to working okay for part of the day then blower runs and heats without stopping. Turning the thermostat to off does not cut it off. I'm old and live alone, with limited income. What is the problem, so I can get someone reliable to maybe repair this.

Many thanks.

yuri 12-26-2011 06:05 PM

1 Attachment(s)
one of the heat sequencers is intermittently sticking. in defense of the tech he has to see it when it is sticking in order to know which one. may need to leave it running when that happens and get someone down quickly to see it.

Fedupw/furnace 12-26-2011 06:10 PM

He did not explain this to me...many thanks to you for explaining the process. Sorry if I offended anyone.

harleyrider 12-26-2011 06:23 PM

Most likely you have two sequencers, bite the bullet and replace them both......its a common problem on electric units.....

yuri 12-26-2011 06:58 PM

I agree. If it is a small furnace with only 2 sequencers get them both replaced at the same time as the other will fail soon anyway. I have large 20 to 30 KW units with 4 or more sequencers and then it is not so practical but with 2 replace them both and you have a almost new furnace.

Fedupw/furnace 12-27-2011 12:49 PM

Elect. Furnace Blower & Heat won't shut down
Many thanks to Harley Man and Yuri! I'll give this a shot and see what happens.:thumbsup:

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