Pay in 4 interest-free payments of $76.27 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
a drop of 15 psi or a leaving pressure below 50 psig typically indicates the element is saturated and requires immediate replacement
For maximum accuracy and to maintain the factory calibration range
Factory Performance: Restores original response times and prevents core binding
supporting critical venting and draining cycles
making it ideal for commercial rack systems and large split units
York S1-031-09179-000 Board Els PW 17895 a drop of 15 psiThe 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