JACKVJR Posted December 14, 2018 Report Share Posted December 14, 2018 Caldera Kauai, This one just gets curiouser and curiouser! The heater had been unreliable for some time, but rebooting the power usually kicked it on. For the first time, repeated rebooting would not get the heater to begin working. I used a multi-meter and read 120 volts at each of the two heater terminals. OK, got power to it, but feeling the outside with the hand, no heat; feeling the water coming out, no heat. So this means the heater element is faulty, correct?. Order a new heater. While waiting for it to arrive, I removed the heater so as to be ready. Just to try to determine what had failed, I bench-tested it by applying 120 volts to each terminal. Without water in the tube, the heating element got red hot in seconds. What am I missing here? jack vines Quote Link to comment Share on other sites More sharing options...
Jwyrick85 Posted December 22, 2018 Report Share Posted December 22, 2018 You say you have 120v on each heater terminal but do you have 240 across the 2? You could have a defective pressure switch.... Quote Link to comment Share on other sites More sharing options...
JACKVJR Posted August 2, 2019 Author Report Share Posted August 2, 2019 Yes, there was 240 volts across the poles; that's why it got hot. Yes, the pressure switch was probably defective, but that doesn't explain why the heater would not come on when the pressure switch was jumped, per the suggestions here. jack vines Quote Link to comment Share on other sites More sharing options...
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