Pentair Heater Thermistor Service Kit | 42001-0053S Jack's Magic The Hayward SX160Z3 is a

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

This component is used within a pool cleaning system as part of the sweep mechanism to move debris toward the suction path

Replacing a worn diffuser restores proper hydraulic channeling

reliable flame startup without a standing pilot

Napoleon BHD4PN

Pentair Heater Thermistor Service Kit | 42001-0053S Jack's Magic The Hayward SX160Z3 is aWhat 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