Wednesday, May 26, 2021

Pentair 400 heater problem | Latest Forum Discussions

Nothing was running or on. Heard a sound wind noticed that the heaters blower was blowing air.  The heater was not on.  I turned heater on and it said pool heating and then service light came on. So I turned all power to equipment off for hours.  Came back and turned it on. The blower immediately comes on without turning the heater on.  And it will not start heating. We are in Texas where we've had a ton of rain the last week of that matters.  Appreciate anyone's help. 

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