normally open configuration

Key Benefits Universal Compatibility: Optimized for use in Watts 3001 series dielectric unions with 2-inch nominal sizing

and a durable plunger tube

Direct OEM Replacement: Guarantees proper thread engagement and electrical terminal alignment for faster pool heater repair

Red is 208V

Johnson Controls GRD10A-608 Plastic Guard Els PW 17895 normally open configurationThe Johnson Controls GRD10A 608 is a professional grade clear plastic thermostat guard engineered to protect critical climate control interfaces from unauthorized adjustment and physical damage. This heavy duty thermostat lock box is specifically designed for commercial HVAC protection in high traffic environments like schools, hospitals, and industrial facilities. Constructed from impact resistant Lexan, the GRD10A 608 ensures clear visibility of