Hayward H Series Pool Heater Thermostat IDXTST1930 Replacement 438251 and extend your hot tub’s

and extend your hot tub’s service life

and long-lasting performance for your pool

With the Aladdin B33 Basket

reliable readings from Taylor—a trusted name in pool chemistry—so you can keep saltwater systems safe and comfortable

Leak-reducing O-ring seal — minimizes air pockets that cause suction loss during cleaning

Hayward H Series Pool Heater Thermostat IDXTST1930 Replacement 438251 and extend your hot tub’sHayward H Series Pool Heater Thermostat IDXTST1930 Replacement Keep your Hayward Universal H Series Above Ground Pool Heater performing at its best with the IDXTST1930 replacement thermostat. This genuine Hayward part is engineered to drop into your heaters control circuit, delivering reliable temperature sensing and consistent commands. For outdoor pools, it restores precise temperature regulation, reduces energy waste, and helps maintain comfortable