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Spa Hi-Limit Switches & Sensors - Ez Hot Tubs
I have a 2003 Cal Spa hot tub and after having the tub drain and refilling it the heater is not activating. There is
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Hot Tub High Limit Switch Troubleshooting
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Hot Tub High Limit Switch Troubleshooting
Your hot tub high limit switch is designed to deactivate the heater when the water in your spa hits extreme numbers, often somewhere around 120° F. — Hot Tub Warehouse
Hot Tub High Limit Switch Troubleshooting | Hot tub, Hot tub care tips, Hot tub outdoor