York S1-024-34684-000 Pressure Switch Els PW 17895 this 1-inch nominal copper elbow

this 1-inch nominal copper elbow meets strict ASME B16

This comprehensive refrigeration valve service kit is essential for technicians performing routine maintenance or full rebuilds on A8A and A81 series valves

it typically does not require a vent line to the atmosphere

Key Benefits Direct Compatibility: Specifically designed for the L91B and L91D series controllers

York S1-024-34684-000 Pressure Switch Els PW 17895 this 1-inch nominal copper elbowThe York S1 024 34684 000 Pressure Switch is a critical OEM safety component specifically engineered for York 2 stage furnaces. Designed as a dual stage differential switch, this part monitors the furnace draft inducer motor to ensure combustion gasses are properly vented before allowing the gas valve to energize. Technical specifications include a high stage deactivation rating of 1. 4 in WC and a low stage deactivation at 0. 4 in WC, ensuring