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the 3L05-3 (Therm-O-Disc style 74T11-310712) simplifies truck stock by replacing multiple fixed-temperature discs
High Compatibility: Operates on a standard 3-12 PSI control signal
Does this unit require a separate overpressure shutoff valve
Can I use the 220736A in place of a 220736A/U
Utica-Dunkirk 43300522 LWCO Replacement Kit 321042-401 the 3L05-3 (Therm-O-Disc style 74T11-310712)The 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
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