Balboa Non-M7 31" 1/4" Hi Limit Temperature Sensor [2-pin] (30921) productsunlimited Supports internal skimmer flow management

Supports internal skimmer flow management

Correct matching matters because the wet end needs to preserve the original plumbing geometry and water path if the final repair is going to feel natural and dependable

Helps restore dependable user control function

A burner orifice is useful because it helps meter gas flow correctly for the supported fuel type

Balboa Non-M7 31" 1/4" Hi Limit Temperature Sensor [2-pin] (30921) productsunlimited Supports internal skimmer flow managementA 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