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Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22627
Experience:  Licensed in Hydronics and Boilers
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My spa isn't heating at all, staying at 75°. I have

Customer Question

Hello, my spa isn't heating at all, staying at 75°. I have a 2001 sundance optima 880 with smart heater. I have two 120 volt hot writes coming in so it's getting power. Heading element is brand new and reads 120 volts coming out both ends even when the heat indicator is off on the display. Any ideas what I can try next? Thanks Troy
Submitted: 2 years ago.
Category: Pool and Spa
Customer: replied 2 years ago.
More test results, so each side is getting 124 volts to be exact. Heater is on and no amp draw. But when I disconnect the heater and test for resistance I get approximately 11 ohms. Which I read that is about the correct resistance ohms.
Expert:  Billy replied 2 years ago.
we need to know the power reading of wire to wire (hot to hot) and not wire to ground....
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Customer: replied 2 years ago.
Found the problem, power relay on the circuit board went bad and want transferring the other 120v power to the element to get 240v at the element.