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Question:

Over the weekend the heat was working. During the night on Friday, the primary ignition reset tripped (little?

Over the weekend the heat was working. During the night on Friday, the primary ignition reset tripped (little?

Answer:

If the limit tripped out (the thing you pressed the button on) you need to determine if it was simply a part failure or if you have another pressure issue, such as a cracked heat exchanger, poor return (lack of air flow, block flue. I would call a professional, while the parts do fail over time, I would suspect you might have another issue at hand. But just from the sounds of it you have a bad limit switch and may have more than one that is bad. Some have the little button on like what you push, while the other style self resets upon cool down. After so many cycles of tripping the switch will fail and will not auto reset of that makes sense. You might need to call a pro in for this one, and verify that you dont have something else going on that your not aware of.

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