Fully interchangeable with part numbers GKT2451 and GKT2451K

this specific model is factory-set at 0

preventing premature diaphragm failure

the unit utilizes a high-reliability silicone capacitive sensing element for long-term stability and minimal drift

Utica-Dunkirk 240005330 Transformer 322056-301 Fully interchangeable with part numbersThe Utica Dunkirk 240005330 Transformer is a heavy duty 40VA step down transformer engineered specifically for high efficiency hydronic systems. This OEM replacement part is a critical component for Utica UB90 and Dunkirk Q90 series boilers, including models 50, 75, and 100. It features a reliable 120V primary to 24V secondary configuration, providing the stable 24VAC control voltage necessary for furnace control boards, gas valve solenoids, and zone