facilitating quick field installation in tight furnace plenums

It maintains the same DPDT pin configuration and 24VAC coil requirements

making it ideal for standard building automation applications

Key Benefits: OEM Precision: Guaranteed #29 drill size accuracy for consistent BTU delivery

ensuring critical clearance and mounting alignment

York S1-025-36115-001 Switch Els PW 17895 facilitating quick field installation inThe York S1 025 36115 001 Air Proving Switch is a critical safety component engineered for York HVAC systems, including packaged rooftop units and residential furnaces. As an HVAC air pressure switch, it functions as a differential pressure sensor, monitoring the supply fan to ensure sufficient airflow before allowing ignition or cooling stages to engage. This OEM replacement part is built with a NEMA 1 electrical enclosure and is compatible with R