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The Raypak 600889B Hi-Limit Control Switch is an auto-reset thermostat designed to turn off your heater when it reaches 135 degrees Fahrenheit. This switch is commonly used in various Raypak pool and spa heaters models, including 53, 53A, 53B, 55A, and 55B.
This thermostat ensures your pool or spa heater operates safely, turning it off once the temperature hits 135 degrees Fahrenheit. Ideal for Raypak pool and spa heaters.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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