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    Question for the old car guys...

    I apologize for the ugliness of this question: I don't know of any more reasonable place to ask. In the late 70's, I guess, R-12 systems were "idiot proofed" with a smaller service connection on the high pressure side. Did this use a different Schraeder valve? You can buy one anywhere? I...
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    Troubleshooting spurious(?) GFCI trips

    I am having a problem. I have a hot tub. I've had it 30 years. It has some 110 volt features, so the GFCI has to be set up for that. It runs all the time, never off. the heater kicks on and off obviously. But other than that, it's always running. Always. In those 30 years, I would say...
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