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Precision Calibration: Factory-set 190-200V pickup ensures consistent capacitor cutout to prevent overheating
making it a staple for contractors maintaining Heil heating systems
Built for compatibility with atmospheric burners and direct-fired systems
Whether you are performing a central air conditioner repair or upgrading for better efficiency
Utica-Dunkirk R3 PlugIn Relay 320074-702 Precision Calibration: Factory-set 190-200V pickupThe 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
