My hot tub is only reaching 90 degrees. what's wrong?
Question:
Answers:
Double check all the hoses from air switches they may not be activating the relay properly ,turn off the power first. also it depends on age but the heating element could need cleaning it may be possible to become calcified then make sure you have full power getting to the controller.
should have a temperature control either electronically or you may have to set it manually . Check to see if hot water is running out of the jets or if it feels like the water is just circulating. If you can feel warmer water coming from the jets, the heating element is good, if you don't then its bad.
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