Hayward H-Series Above Ground Thermostat (IDXTST1930) permacast Polaris Zodiac Lock Ring

Polaris Zodiac Lock Ring

The dual flow-path design matters because it helps preserve the more complex seat feel the original system was built to provide

and part number before purchase

Hayward Jandy NeverLube positive-seal 3-port valve

Designed for compatible vinyl-pool return applications

Hayward H-Series Above Ground Thermostat (IDXTST1930) permacast Polaris Zodiac Lock RingA heater thermostat helps regulate temperature control, and a failing one can lead to inconsistent heating or unreliable operation. This Hayward H Series above ground thermostat is a replacement control component for compatible heater models, intended to support proper temperature sensing and heater response. Use it during heater service when diagnosis points to the thermostat or when the existing part is damaged or no longer performing correctly.