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Built on a NEMA 48 frame with a 5
Installation focuses on achieving a manifold pressure of 10
55" WC pressure switch is factory-calibrated to actuate at 0
The Lennox 79J75 is designed as an internally equalized valve or is specific to the evaporator configuration of the matching Lennox coil
The Cleveland Controls NS2-0548-00 Air Flow Sensing Switch is a high-precision differential pressure switch engineered for critical HVAC monitoring
Utica-Dunkirk 240007903 Control Board Els PW 29614 Built on a NEMA 48The Utica Dunkirk 240007903 Control Board is a critical OEM replacement part designed for the precise management and sequencing of hydronic heating systems. As a veteran technician knows, the integrity of the ignition control module determines the reliability of the entire boiler sequence. This high performance HVAC circuit board acts as the central processor, coordinating 24V power distribution, flame rectification, and intermittent pilot or direct