depot pull
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supporting critical venting and draining cycles
walk-in cases
making it ideal for commercial rack systems and large split units
For maximum accuracy and to maintain the factory calibration range
The spring return direction (Clockwise or Counter-Clockwise) is determined by which side of the actuator is mounted toward the damper shaft
York S1-031-09179-000 Board Els PW 17895 supporting critical venting and drainingThe 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