York S1-031-09179-000 Board Els PW 17895 leading to foaming and mechanical

leading to foaming and mechanical failure at startup

ensuring long-term machinery reliability

supporting critical venting and draining cycles

walk-in cases

Tool-Free Actuator Mounting: Simplifies field service and replacement

York S1-031-09179-000 Board Els PW 17895 leading to foaming and mechanicalThe York S1 031 09179 000 24V Relay Lock In Board is a critical control component designed for precise sequence management in commercial and residential HVAC systems. This genuine OEM part serves as the direct replacement for S1 031 09155 000, addressing common communication failures and relay chatter issues found in older board revisions. Operating on a standard 24V AC control circuit, this board functions as a lockout relay, preventing short cycling