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    Speedaire 4ZK99A Problem

    Hello all. I have a Speedaire 4ZK99 "piggyback" style regulator. It's only a little over a year old. I have filters and dryers before and after the regulator. It started making a noise like a horn, bleeding air out of the hole on the side, and wouldn't regulate, the pressure would just...
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    Insulation flaking off question

    Hello, I'm new here and hope I posted this in the correct place. I have a 30x30 ft metal shop in north Texas. The building was built in 2002 and has the insulation that comes in rolls and was draped over the metal frame before the skin was put on. It looks like while vinyl inside. I paint...
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