Balboa Non-M7 31" 1/4" Hi Limit Temperature Sensor [2-pin] (30921) repairfittings That helps keep the replacement

That helps keep the replacement more accurate and more dependable

and equipment applications because they help reduce leakage and maintain the intended fit between joined components

The SPX3215C is a practical replacement for compatible Hayward TriStar pumps that need renewed impeller performance and cleaner long-term operation

Supports more accurate system restoration

Balboa Non-M7 31" 1/4" Hi Limit Temperature Sensor [2-pin] (30921) repairfittings That helps keep the replacementA 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