Pentair Heater Thermistor Service Kit | 42001-0053S Jack's Magic manufactured to exact factory specifications

manufactured to exact factory specifications for airflow performance

For Commercial 48 VGF RPM systems

it helps keep accessories organized and accessible

it supports changing operating modes by directing flow toward spa jets or pool returns as needed

The Hayward SX160Z3 is a clear hose listed as 31 inch for compatible Hayward filter system applications

Pentair Heater Thermistor Service Kit | 42001-0053S Jack's Magic manufactured to exact factory specificationsWhat This Part Is Used For Pentair 42001 0053S Heater Thermistor Service Kit is a replacement temperature sensor kit for compatible Pentair heaters. It monitors water temperature and communicates with the control system. Why This Part Matters A faulty thermistor can cause incorrect temperature readings or heater shutdown. Replacing the kit restores accurate sensing and stable heater control. Reliable temperature feedback supports consistent heating