Utica-Dunkirk 550001339 Transformer R-134A Built with vibration-dampening insulation to

Built with vibration-dampening insulation to prevent wire chafing in high-cycle environments

You must pair it with a compatible Erie PopTop actuator (AG or AH series) based on your voltage and close-off requirements

A: A NEMA 4 enclosure protects the coil against water

ensuring exact replacement for EF28BZ211

Utica-Dunkirk 550001339 Transformer R-134A Built with vibration-dampening insulation toThe Utica Dunkirk 550001339 Transformer is a critical OEM replacement part designed for high efficiency hydronic systems, specifically engineered for the UB90 100 Series II and Q90 Series II boilers. This heavy duty 40VA step down transformer converts 120V primary line voltage to 24V secondary output, providing stable power to integrated control boards, gas valves, and secondary HVAC circuits. Built to withstand the thermal demands of residential and