making it a direct-fit solution for many modern hydronic systems

To ensure optimal technical performance and long-term reliability

The silver cadmium oxide contacts are designed to minimize arcing and resist welding under high-start-up loads

various oils

Functional Devices RIBMNU1S Relay R-407A making it a direct-fit solutionThe Functional Devices RIBMNU1S Relay is a professional grade 15 Amp pilot relay designed for high reliability switching in BAS, HVAC, and lighting control applications. This track mounted modular relay features a versatile triple voltage coil, allowing for seamless integration into systems utilizing 10 30 Vac Vdc or a standard 120 Vac power source. Engineered for long term field performance, it utilizes a SPST (Single Pole Single Throw) contact