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using incorrect voltage will cause immediate coil failure or fire hazard
the 3/4" NPT threaded connection and 4-3/4" copper float ensure long-term reliability in commercial and industrial steam boiler applications where accurate water inventory is critical for pump protection and system stability
The low-wattage 24V coil minimizes electrical load on the transformer while providing the magnetic force necessary to shift the internal slide even under high-head pressure conditions
Common Questions Is the RST64C1E-CFA-959 compatible with the older RS64C2E-CAA-959
Lochinvar & A.O. Smith 100277940 Board 321702-401 using incorrect voltage will causeThe Lochinvar & A. O. Smith 100277940 Board is a critical low voltage connection board engineered for precision signaling in high efficiency heating systems. Specifically designed for the Knight KH055 285 fire tube boilers, this OEM replacement part serves as the central communication interface between the main controller and auxiliary system components. As a veteran technician knows, maintaining signal integrity in commercial water heating
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