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RRick T replied to the thread Master temp 400 calibration.I’m sure they were the cheap knock offs. The 2nd thermistor that is in there now is pentair. The motherboard and touchpad are knockoffs.
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RRick T replied to the thread Master temp 400 calibration.I bought an all new manifold replacement kit. Complete Set of Components: Includes all essential parts such as manifold bypass valve...
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RHello all. I’ve had several issues with my Mastertemp 400. I finally have it working after several parts replaced and a gas pressure...
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RRick T replied to the thread Pentair Mastertemp 400 issues.I'm have the temperature set on the heater to 100. If I isolate the pool I feel It will go until it reaches 100. If I isolate the spa...
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RRick T replied to the thread Pentair Mastertemp 400 issues.It kicked off after a few minutes. So this time I 1/2 isolated the hot tub. I ran the incoming water from main pool and directed all...
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RRick T replied to the thread Pentair Mastertemp 400 issues.I had the hot tub to get to 100. temp after shutdown says 76. was 72 when I started and it ran for a few minutes before shutting down...
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RRick T replied to the thread Pentair Mastertemp 400 issues.Once I removed the old circuit board and touch pad and the new ones seemed to work I threw old ones away. I'll dig into manifold and...
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RRick T replied to the thread Pentair Mastertemp 400 issues.I checked/cleaned off the thermal regulator last year. Not sure what the intrapersonal bypass in the manifold is. Will need to...
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RHello. I have a raised hot tub that spills over into my pool. My Mastertemp 400 runs normal if I have the valves positioned for the...
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