I have a 6 year old Trane XL80 furnace that's gone flaky on me. I found that the 24V fan relay on the circuit board works only when I tap on it, emitting a nice spark as the main fan comes on. When the heat cycles off later, the relay won't switch back on without another tap.
So I looked at having my HVAC guy come out and replace it for about $500 for parts and labor. Or at replacing the whole controller board myself, for about $175 with shipping. Or replacing the 24V relay (desoldering and removing flaky one, soldering on a good one) for about $10.
Which would you do, and why?
So I looked at having my HVAC guy come out and replace it for about $500 for parts and labor. Or at replacing the whole controller board myself, for about $175 with shipping. Or replacing the 24V relay (desoldering and removing flaky one, soldering on a good one) for about $10.
Which would you do, and why?
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