The Balboa 4-Pin Temp/Hi-Limit Dual Sensor, 30337-K is designed for precise temperature and high-limit monitoring in spa and pool systems. It features a 4-pin, 4-wire connector and includes both a temperature sensor and a high-limit sensor on a single connection. The temperature sensor has a 3/8-inch diameter bulb and a 96-inch lead, while the high-limit sensor has a 1/4-inch diameter bulb and a 31-inch lead. This dual sensor assembly is compatible with various Balboa control systems and Sundance Spa systems.
