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Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22510
Experience:  Licensed in Hydronics and Boilers
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We have a 2006 cal spa. The water is not heating. We have

Customer Question

We have a 2006 cal spa. The water is not heating. We have had message dy and also hh. But the water is not warm. We have shut off the power and restarted with no luck. Is this a simple fix maybe or maybe the heater needs replaced?
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Billy replied 1 year ago.


this is a high heat alarm. We need to make sure the pump is running good, filters a clean...turn off system for 30 seconds and see if code clears. If not you need to replace the high limit

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