When swapping the replacement for 622171R

It uses a threaded coupling for direct mounting to the valve bonnet

System Compatibility: Validated for use across a wide range of Johnson Controls residential HVAC platforms

Key Benefits OEM Compatibility: Ensures a direct fit for Carrier

Designed to maintain system equilibrium and protect the compressor from liquid slugging

York 031-02476-002 Control Board 319848-301 When swapping the replacement forThe York 031 02476 002 Control Board is a critical OEM replacement part designed for precision management of HVAC system sequencing and safety protocols. As an essential EPROM control module, this board serves as the primary intelligence for residential and light commercial units, supervising blower motor timing, ignition cycles, and continuous monitoring of safety limit switches. In the field, techs rely on this board to troubleshoot erratic cycling