As a direct replacement for Lennox 18J20

effectively reducing noise and operational vibration compared to generic alternatives

Complete Field Conversion: Transitions legacy DSI controller setups to modern UTEC architecture with all necessary electrical jumpers and mounting templates

check the coil resistance

the internal diaphragm or SPST contacts have likely failed

York 022-09577-000 Valve Stop 321702-401 As a direct replacement forThe York 022 09577 000 Valve Stop is a high precision 7 16 inch refrigerant shutoff valve engineered for critical isolation in commercial HVAC systems and centrifugal liquid chillers. Designed as a vertical angle stop, this OEM York replacement part provides technicians with a reliable manual point of control for regulating refrigerant flow, specifically within high capacity units like the York Millennium YCJF series. Its 7 16" x 1 2" configuration