Balboa Non-M7 31" 1/4" Hi Limit Temperature Sensor [2-pin] (30921) chlorinegenerators and model compatibility before installation

and model compatibility before installation

this socket tool helps support better tool engagement and more dependable maintenance results

or has worn contacts affecting circuit switching

The black finish and scalloped styling give this control a strong visual presence that works well with darker spa interiors

or no longer gives dependable control over the intended flow path

Balboa Non-M7 31" 1/4" Hi Limit Temperature Sensor [2-pin] (30921) chlorinegenerators and model compatibility before installationA hi limit temperature sensor is a small but essential part of keeping the heating side of the spa operating safely and predictably, and this Balboa Non M7 sensor is designed for compatible 31 inch 1 4 inch 2 pin applications where the original sensor has become unreliable. When the sensor starts to drift or fail, the spa can stop feeling dependable even if the heater itself is still technically functional. The Non M7 designation matters because