Hi
I Have a Hayward Heat Pro Heat Pump Model W3HP21404T. It is about 4 years old. The thermostat dispay is reading negative numbers and will not turn on. I tried resetting breakers and cleaning the inside of unit. Do I need a pew control panel?
Hi
I Have a Hayward Heat Pro Heat Pump Model W3HP21404T. It is about 4 years old. The thermostat dispay is reading negative numbers and will not turn on. I tried resetting breakers and cleaning the inside of unit. Do I need a pew control panel?