Daikin-McQuay 4022330 Control Board 322838-754 this switch is a standard

this switch is a standard safety component for multiple Lennox furnace generations

maintaining the necessary pressure differential across the expansion device to ensure consistent thermal expansion valve (TXV) performance and system efficiency

Hard-Duty Construction: Features a bellows element and double sealing to prevent refrigerant-to-water cross-contamination even if internal damage occurs

For technicians performing a system overhaul or resolving TXV failure

Enhanced System Flow: Engineered to maximize flue byproduct extraction

Daikin-McQuay 4022330 Control Board 322838-754 this switch is a standardThe Daikin McQuay 4022330 Control Board is a critical OEM replacement circuit board engineered for high performance management within Daikin McQuay HVAC systems and industrial chiller units. Designed to function as the central processing hub, this 4022330 PCB monitors real time data from temperature sensors, pressure transducers, and flow switches to regulate essential components like compressors and condenser fans. Its advanced architecture ensures