Plaza notes
Hard ruleDescription
Its automatic reset functionality ensures the system returns to operation once temperatures fall 20 degrees below the trip point
8" WC SPST pressure switch is engineered to verify that the inducer motor is creating sufficient static pressure to vent combustion gases safely before the ignition sequence begins
Common Questions How do I prevent damage during installation
Which Reznor heater models are compatible with this limit switch
Common Questions What is the connection size for the housing used with this cartridge
York S1-024-40873-000 Pressure Switch Its automatic reset functionality ensuresThe York S1 024 40873 000 Pressure Switch is a critical safety component engineered for precise airflow monitoring in modern HVAC systems. Designed with a 0. 85" WC setpoint, this SPNO (Single Pole Normally Open) switch utilizes a "Close On Fall" logic to confirm the inducer motor is moving exhaust gases safely through the vent system. As a direct OEM replacement for S1 024 35786 000, it ensures factory spec calibration and timing for sequence of
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