Recent content by smithboyhou

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    Heater turns on randomly - Pentair 400K

    I do not. Strickly manual. Thanks for your post.
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    Heater turns on randomly - Pentair 400K

    I had a new Pentair MasterTemp 400K heater installed for my pool/spa the summer. Twice now, the heater has automatically started itself and begun to heat the pool. The temperature readout shows 300 (or something like that), which is different than the programmed temperature of 100. Any...