York S1-022-11569-000 Valve 320788-702 use a calibrated manometer to

use a calibrated manometer to verify the exact pressure at which the switch trips for precise HVAC pressure monitoring

ensuring the furnace pressure switch closes to initiate the ignition sequence

while the NEMA 4X enclosure provides superior protection against corrosion and water ingress

It is highly recommended to use the genuine OEM 194805 clip to ensure the tension and material properties match the original technical specifications required for high-heat HVAC applications

protecting the fan blade during high-velocity rotation

York S1-022-11569-000 Valve 320788-702 use a calibrated manometer toThe York S1 022 11569 000 is an OEM grade 7 8" suction service valve designed for high performance refrigerant regulation in residential and light commercial HVAC systems. As a critical component in the suction line, this valve enables technicians to isolate the refrigerant charge, perform system pump downs, and facilitate accurate pressure diagnostics. Engineered with a durable brass body and precision threads, the S1 022 11569 000 ensures a leak