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Heat Pump Defrost Troubleshooting Tips
TH, TR, and TH/TR Gas Valve Terminals
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Tech Tips:
We’ve entered that season of service calls for “smoking heat pumps,” and I figured now is as good a time as any to share a few quick tips for troubleshooting defrost. Of course, the “smoking heat pump” calls can be solved over the phone with a quick explanation of normal defrost conditions—as can the service […]
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Have you ever noticed the TH/TR terminal on a gas valve? When I was in school, I’ll admit I didn’t know what it was. I’ve worked with people who are experienced and still think you need to use it. Nobody ever explained to me what it was. Being a newbie at the time, it never […]
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