York S1-024-40872-000 Pressure Switch The heavy-duty V-bolt construction and

The heavy-duty V-bolt construction and serrated grip surface provide maximum engagement with the damper shaft

if your unit is failing to ignite the main burner or the pilot flame is weak/non-existent

providing the necessary strength for pneumatic piston-style actuators without flexing under load

you can manually reset it to restore power

Universal Mounting: The rectangular metal guard facilitates horizontal or vertical orientation to accommodate various thermostat footprints

York S1-024-40872-000 Pressure Switch The heavy-duty V-bolt construction andThe York S1 024 40872 000 Pressure Switch is a critical safety component designed for precise HVAC pressure monitoring in residential and light commercial furnaces. This 0. 75" WC pressure switch functions as a draft inducer safety switch, verifying that the inducer motor is creating sufficient static pressure to vent combustion gases before the ignition sequence begins. As a genuine S1 024 40872 000 OEM replacement, it ensures your equipment operates