preventing whistling and performance drops associated with air bypass

making it ideal for standard building automation applications

facilitating quick field installation in tight furnace plenums

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

Will this tool remove surface oxidation from the coils

York S1-025-36115-001 Switch Els PW 17895 preventing whistling and performance dropsThe 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