Jayman49 Posted November 24, 2021 Report Share Posted November 24, 2021 New 2021 cal spa. Most likely under warranty. I just want it to work. Spa had a heater sensor wire melt and same for the ring on the sender. Picture is attached. Could this be the sender? The circuit board? Or the wire that’s the issue? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted November 26, 2021 Report Share Posted November 26, 2021 That's not the sensor, it's the power, and it had a loose or damaged connection. As long as the other end of the wire is good you likely just need a new heater element and wire. If the other end looks melted you'll need a circuit board too. 1 Quote Link to comment Share on other sites More sharing options...
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