Utica-Dunkirk R3 PlugIn Relay 320074-702 Built with a rugged die-cast

Built with a rugged die-cast aluminum housing and an integrated cover

making it a staple for contractors maintaining Heil heating systems

though technicians must verify field voltage as a new MKC-2 or PKC-2 coil is required for a complete setup

Built for compatibility with atmospheric burners and direct-fired systems

What is the correct rotation for the 35K59

Utica-Dunkirk R3 PlugIn Relay 320074-702 Built with a rugged die-castThe Utica Dunkirk R3 PlugIn Relay is a specialized switching component designed for reliable operation within residential and commercial boiler control systems. This SPST relay is engineered to handle the inductive loads typical of hydronic heating equipment, ensuring precise signaling between the thermostat, boiler circulator pumps, and the ignition module. With a compact plug in design, it facilitates rapid field replacement on Utica and Dunkirk