Hayward H-Series Above Ground Thermostat (IDXTST1930) insparation and this Gecko version is

and this Gecko version is designed in a 96 inch terminated length with a 15 amp

and this Balboa Pressure Switch is designed for compatible 3A

and PJ200S-4

The V31-457 is a practical service part when a compatible 3 HP Premier 556 AB pump deserves more than surface-level repairs and needs the hydraulic core brought back properly

CMP waterfall rock and debris trap

Hayward H-Series Above Ground Thermostat (IDXTST1930) insparation and this Gecko version isA 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.