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  1. Replies
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    Check for polarity and a good ground. Ive seen...

    Check for polarity and a good ground. Ive seen strange things happen if these are not correct. A furnace that has ran normal for many years, then starts acting up due to poor ground or reverse...
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    New to geothermal

    I am looking for advice on how to begin a career in geothermal heat pumps. I have been in residential heating and cooling for 3 years. I took an 6 week online introductory course through Heatspring...
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    654

    I dont have a digital manometer. Am interested in...

    I dont have a digital manometer. Am interested in hearing about how to set it up when I do get one.
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    654

    Suggestions for Rheem 90+ furnace

    Went on a service call today to replace a circuit board that had a bad blower relay in it. Got the new board installed, ran some test runs and furnace was operating normally. When i put the top...
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