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    Cracked heater manifold

    Thank you for the clarification, being I’m in the Houston area and this does have me a little worried about another freeze(with no power). I’ll pop the 2” fittings off the inlet & outlet Along with the drain plug. I refuse to suffer through another episode like we had.
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    Cracked heater manifold

    with all this being said, what is the procedure for protecting the heater during a freeze? I was taught by a YouTube video and one random pool repairman, at a store, to pull the black plug outside and let the water drain. If this isn’t enough to protect then what is?
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    Cracked heater manifold

    Are these the TWO drain plugs ? I learned about the smaller plastic one but had no idea about the larger NPT plug.
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    C7F0B397-F3F0-40BE-B3F8-F880E6A0981A.jpeg

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    Cracked heater manifold

    Rick, I'm in Houston as well and have the exact same problem. The hairline crack on mine runs right along where the bolts are so I can't even glue it (assuming it would hold) . I have found if you run the pump at 1200 rpm the pressure drops enough to make my spraying water turn into...