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poohbear2767

A/C but No Heat - TempStar - Ignitor Problem?

15 years ago

At the end of last winter my central heat quit working.

The A/C worked just fine all summer. Just no heat.

It's starting to get cool weather so I need to fix this.

I pulled the panel off to inspect it. (power disconnected)

I cleaned all the cobwebs and other junk out of it.

I didn't see anything obviously wrong.

Turned the power back on and got my multimeter.

The unit gets 120vac on both lines coming in.

I unplugged the ignitor circuit from the control valve.

The ignitor circuit has continuity and the control valve

puts out 27volts to the ignitor circuit. (is that correct?)

That was all I could test. I put everything back like it was.

I don't want to just throw parts at it til it works.

So I am hoping y'all have some good advice for me.

TempStar PGF030K080/GPFM20K080 Installed in mid 2003.

Thanks for any help you can provide.

Pooh Bear

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