York 031-01652-001 EPROM 321894-709 For contractors requiring a mercury-free

For contractors requiring a mercury-free switch assembly

using this with other refrigerants may lead to improper superheat and potential system failure

If the link has failed

The inclusion of two integrated SPDT auxiliary switches allows for reliable end-stop signaling or auxiliary equipment interlocking

York 031-01652-001 EPROM 321894-709 For contractors requiring a mercury-freeThe York 031 01652 001 EPROM is a critical OEM replacement part designed specifically for York HVAC control boards utilizing R 22 refrigerant 2 compressor systems. As a veteran grade HVAC memory chip, this electrically programmable read only memory stores essential firmware instructions and operational logic required for precise HVAC system control. When on site diagnostics indicate parity errors or data corruption within the control logic, replacing