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    Pentair Mastertemp 400 heater set at 98 cuts off at 95 with AGS error

    Hello. I have a problem with a fairly new Pentair Mastertemp 400 heater. I haven't found anyone with the exact problem so I'm posting the details here. The heater is about 1.5 years old. It's been working fine since it was installed. But the last 3 times I've tried to use it, it stops...