System Diagnostics: Clear sight window enables identifies subcooling issues and ensures a full column of liquid reaches the expansion valve

Does this model support single-phase electrical systems

Direct Compatibility: Engineered specifically for Beckett AF/AFG series burners to ensure precise electrode positioning

clunking noises

10k Type III Thermistor: Universal compatibility with a wide range of BAS and DDC controllers including Delta

Siemens Industrial Controls 3RU2116-1AB0 Relay Refrigerant System Diagnostics: Clear sight windowThe Siemens SIRIUS 3RU2116 1AB0 is a high precision, thermal delayed overload relay optimized for current dependent motor protection. Designed for frame size S00, this Class 10 device provides essential inverse time delayed protection against excessive temperature rises resulting from overloads or phase failure. With a versatile setting range of 1. 1 to 1. 6 Amps, it integrates seamlessly with 3RT2015 to 3RT2018 contactors via direct mounting to