The Daikin-McQuay 2523383 Control Board is a critical OEM replacement PCB engineered for high-performance integration within commercial HVAC systems

OEM Engineering: Direct replacement for Nordyne 669578R and compatible with official TR6 valve specifications for a perfect physical fit

With a regulation range of 4 to 12 bar (58 to 174 psig) and an adjustable differential ranging from 2 to 4 bar

Broad Measuring Range: Specifically tuned for 50 to 100 degree F comfort cooling and heating applications

this component ensures seamless 24V control circuit compatibility with existing Lennox air handlers

Danfoss 8168033 Valve 320735-701 The Daikin-McQuay 2523383 Control BoardThe Danfoss 8168033 is a professional grade Rotolock service valve designed for high performance refrigerant flow control in commercial refrigeration and HVACR systems. Engineered for a seamless fit, this V09 model features a 1 1 4" Rotolock connection and a 5 8" ODF solder connection, making it a standard choice for technicians servicing rectiprocating and scroll compressors. This valve facilitates critical system operations, including charging,