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This direct ignition dual automatic valve is engineered to manage fuel flow with precision
ensuring the outer facade maintains its structural integrity and clarity
Enhanced Control: Integrated auxiliary switch (1x SPDT) allows for precise end-stop verification or equipment sequencing
providing high-torque actuation for air handling units and zone management applications where fail-safe performance is required
it handles 120V AC power requirements with a 250 PSI maximum operating pressure differential
Lochinvar & A.O. Smith 100277940 Board 321894-709 This direct ignition dual automaticThe 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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