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Pentair/Sta-Rite Maxetherm Thermistor (P/N: 42001-0053S)

SKU 649030249
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Fits the Sta-Rite Maxetherm heater

Located in the uppermost well of the manifold under the left hand switch cover.


Monitors the inlet water temperature.

1/4 inch NPT

Tech Tip

An open thermistor displays E01 on the control board and a shorted thermistor displays the E02 message.