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  1. Old Beach Guy

    Pentair Mastertemp 250 cuts on and off

    Last night I turned on my Mastertemp 250. The water temp was 65 initially. It worked fine until the water temp. got to around 85. Then it began to shut off, and the service heater light would come on for about a minute. It would go off and the heating light would come on and it would...
  2. Old Beach Guy

    Hello from the SC coast.

    We moved into our new home in June 2018, and completed the pool and landscaping in July 2019. I like to do all my own maintenance around the house. I've got a lot to learn about care and upkeep of our salt water pool. Thanks in advance for your patience. This NOOB is full of questions.