40" WC set point ensures the control board receives accurate airflow verification

Does the 71M17 include the mounting hardware

common in most residential and commercial HVAC control boards

Its versatile design makes it an industry-standard choice for contractors seeking a field-adjustable pressure switch that maintains consistency across demanding thermal and industrial process cycles

which ensures the modulator output is fixed during the initial start sequence for optimal combustion stability

Velocity Boiler Works (Crown) 105591-01 LWCO 322027-701 40" WC set point ensuresWhen you are responding to a "no heat" call on a high efficiency condensing unit, a faulty Low Water Cut Off (LWCO) is often the silent culprit behind a hard lockout. The Velocity Boiler Works (Crown) 105591 01 LWCO is the direct OEM replacement engineered for the Phantom 80 180 and the full Raptor series. This 24 VAC safety device utilizes advanced PHNTM technology, integrating multi level sensing to provide precise water level monitoring without the