Hydro-Quip 36" 4-Pin Temperature Sensor (34-0203D-36-K) lighting Supports dependable heater and equipment

Supports dependable heater and equipment protection logic

5 HP to 15

This white replacement is especially useful when the original union is cracked

and this generic version uses the O-101 reference

Hydro-Quip 36" 4-Pin Temperature Sensor (34-0203D-36-K) lighting Supports dependable heater and equipmentThe Hydro Quip 36 inch 4 pin temperature sensor is designed for compatible control system applications where a longer temperature sensing lead is needed. A temperature sensor is useful because it helps the system monitor water conditions accurately, which supports stable heater behavior and better overall control response. This replacement is especially useful when the original sensor has failed, the lead has been damaged, or the supported system