York S1-024-20878-703 Relay Els PW 17895 and 3155 Series units

and 3155 Series units

streamlining the installation process for HVAC professionals

maintaining identical electrical specifications and mounting points

The CS3AH16A24 is the recommended cross-reference for the "N" (standard) version

Heavy-Duty Reliability: Designed to withstand the thermal and mechanical stresses of saturated steam and hot water applications

York S1-024-20878-703 Relay Els PW 17895 and 3155 Series unitsThe York S1 024 20878 703 Relay is a mission critical 24V time delay relay designed for precise sequence control in residential and commercial HVAC systems. Engineering as a direct OEM replacement, this DPDT relay management prevents short cycling of compressor motors and ensures proper indoor blower delay off cycles to maximize latent heat transfer and SEER efficiency. This control board component features a logic driven delay interval, typically