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This L140-40F high limit switch functions as a fail-safe rollout control
ensuring the ERV cassette operates at peak thermal efficiency
it is intended to work in tandem with the primary system fuses and circuit breakers
axial end float
or a worn motor shaft
Utica-Dunkirk 240010296 Control Board 322838-754 This L140-40F high limit switchThe Utica Dunkirk 240010296 Control Board is a critical OEM replacement part designed for high efficiency hydronic systems. This 4 Element Control Board comes complete with the necessary wiring harness, facilitating a direct swap out during field service. Engineered for precise boiler sequence control, this module manages ignition cycles, monitor burner flames, and regulates temperature parameters to maintain peak combustion efficiency. As a veteran
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