The unit features a DIN 43650A / ISO 4400 electrical connection

This HVAC zoning damper is 1/4" undersized to ensure a seamless fit into standard ductwork slots

Steam-Rated Performance: Engineered for low-pressure steam applications up to 15 psig

making it a versatile choice for a wide range of evaporation and condensing applications

Technicians flip the unit over to choose the desired return rotation during mounting

Daikin-McQuay 4022328 Control Box Assembly R-407C The unit features a DINThe Daikin McQuay 4022328 Control Box Assembly is a critical OEM replacement part designed for precision management of electrical functions within commercial HVAC systems. As a veteran grade HVAC control module, this assembly houses high spec internal circuit boards, relays, and terminal connectors required to maintain communication between the mechanical hardware and system logic. Replacing a compromised DAKM4022328 control box ensures that voltage