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    Pentair Sta Rite Max-E-Therm heater- slow leakiwhere Manifold connects to main body

    Hello, I recently noticed a leak near the manifold on my pool heater. Does anyone have any thoughts as to what might be the cause, and what could be done (if anything) to help diagnose or repair it? Is it likely that the heat exchanger is damaged? If so, would getting a new heater make sense...
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    flow increasing when closing a return?

    so this one is a puzzler for me. Normally, even with my 2 speed pump on low, my gas heater still gets enough flow to come on. Of course, when my filter gets dirty, the flow diminishes, and the heater switches off. What I don't understand is that when this happens, I found that by closing some...
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    Evaporation question

    I read somewhere that evaporation increases with water temperature. But what if the water is cold, but the air even colder. Last night we seem to have lost a quarter of an inch. The water temperature is 55 and the temperature got down to 36 overnight. Would you expect a lot of evaporation in...
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    waterflow of sand filter vs cartridge filter?

    Hello all, I've got a question I'm hoping someone here will be able to help me with. I've got a 2 speed pump which I'd like to run at the lower speed in order to save on electricity. Unfortunately, I'm finding that it seems that I'm not getting very good water flow rate when using low speed...