Utica-Dunkirk 43300522 LWCO Replacement Kit R-448A a clogged orifice should be

a clogged orifice should be replaced with a new unit rather than cleaned

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

This kit restores valve performance to original factory specifications without the labor-intensive process of replacing the entire valve body

Utica-Dunkirk 43300522 LWCO Replacement Kit R-448A a clogged orifice should beThe 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