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  1. John1950

    MasterTemp 400 heater won’t work via the Pentair Easytouch PL4/PSL4 Controller

    Allen, you were correct… I was not controlling the EasyTouch correctly. I neglected to switch the pump over from the spool to the Spa… once I switched over the control/pump to the Spa and triggered the HEATER VIA THE EasyTouch, the heater fired right up. Thank you for the help. My wife can now...
  2. John1950

    MasterTemp 400 heater won’t work via the Pentair Easytouch PL4/PSL4 Controller

    Thank you for the reply and suggestion. I'm away from the property today but will be back there tomorrow and will check as you suggest and reply back here. Thank you, again.
  3. John1950

    MasterTemp 400 heater won’t work via the Pentair Easytouch PL4/PSL4 Controller

    Hi everyone. A few months ago, I noticed water pouring out from the bottom of my 4 year old Pentair MasterTemp 400 heater. After researching here, it appeared the the heater core had ruptured. I was able to locate a complete heater core replacement kit and a YouTube video explaining/showing how...