Pentair Heater

AarMorr

New member
Sep 24, 2023
1
Texas
I have a Pentair 250 mastertemp that I have been working on all weekend. I changed control board, stack flue and descaled it. I turned it back on today after descale and it ran great for few hours. I return home and it’s completely dead, no lights no nothing. Any ideas or help is greatly appreciated. TIA.
 
Welcome to TFP.

Is the heater connected to automation with the firemans switch?

Check the fuse by the firemans switch connection in the heater.

Check the heater has power.


Pentair_MasterTemp_Firemans_Switch.jpg
 
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