...Master Temp 400 heater is 2 years old and has been working perfectly until recently. After a recent thunder storm, my fan has come on and will not shut off. There are no readings on the temperature ...
...off during construction and heater will not light up error code 126 on 300 model This could be a temperature sensor issue, however you should open the panel and look at the ignition control
Question about Pool & Spa
...master temp 400 that is 3 years old. It is turning on by itself when the pool timers kick on. The temperature changes from say 54 degrees to 240 degrees. When changed from pool settings to spa ...
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