Quote:
Originally Posted by TLO
Are we talking about the hose right in the middle of the screenshot? I'm not sucking or blowing any gas in this situation am I?
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Quote:
Originally Posted by Boise_Chief
No it is an airpressure switch. It gets plugged often and can cause your problem. It senses pressure when the combustion motor runs and opens the gas valve if it sees pressure. No gas no heat
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This is the kind of thing you need to watch out for. I'm not an HVAC tech but i did sleep in a Holiday Inn Express last night. But seriously, if the guy watched what your furnace did and didn't bother spending more than a couple minutes testing current, he probably figured out you had a bad pressure switch, to where he could quote you a new circuit board and swap that and the switch in a jiffy, without you knowing what he did.
Hard to say that without calling someone a crooked jerky jockey, but they are out there. The small amount of time he spent is what sends up a red flag for me. I've worked on my own furnace for 10-15 years and i'm quite aware of how they work.
Just saying, if you can grab a pressure switch off Amazon, it's 2 wires and 2 hoses, take about 2 minutes to change and you'll know whether that was the problem all along or not.