JeffL2 Posted April 12, 2016 Report Share Posted April 12, 2016 A couple of years ago my Hayward heater stopped working. An easy fix, some dirty rat severed the pressure sensor's vacuum hose. The other day it wasn't working again. The display showed a SF error code. That's a temperature sensor error. There are two thermistors in a threaded plug with two red wires and one black wire going to the control board. The black wire was severed. Another easy fix. The bottom of the heater of overflowing with rat poop OK, not overflowing, but an exorbitant amount of the stinky stuff. How do I keep them out? Quote Link to comment Share on other sites More sharing options...
Dr. Spa Posted April 13, 2016 Report Share Posted April 13, 2016 Fill it with cats Quote Link to comment Share on other sites More sharing options...
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