Utica-Dunkirk 43300522 LWCO Replacement Kit R-448A For technicians managing natural gas

For technicians managing natural gas or LP applications

the control board is the central nervous system of the indoor unit

This essential kit allows technicians to perform a full internal rebuild

lead-free version of the legacy N55B series

Technicians should reference the York resistance-to-temperature chart during troubleshooting to verify the sensor’s accuracy

Utica-Dunkirk 43300522 LWCO Replacement Kit R-448A For technicians managing natural gasThe Utica Dunkirk 43300522 is a professional grade LWCO replacement kit essential for maintaining rigorous safety standards in hydronic and steam systems. As a veteran preferred boiler low water cut off solution, this kit is specifically engineered to interface with Utica and Dunkirk boilers, ensuring the burner circuit is interrupted before a dry fire condition can cause heat exchanger fracture or catastrophic failure. The kit includes the primary