The 22" 6600-168 Sundance Hi-Limit Sensor Box-End Connectors are essential components designed for Sundance spa systems. This hi-limit sensor helps protect your spa heater from overheating by shutting off power if the water temperature exceeds the preset limit. With a cable length of 22” and a ¼” bulb size, it ensures proper temperature monitoring and safety. The box-end connectors ensure secure and reliable connections for quick and easy installation, helping maintain the spa's safe operation.