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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Is the LED indicator powered by the coil or the contacts
common in WSC and YSC series rooftop units
which can damage the motor
Always ensure the arrow on the label points toward the expansion device during installation
York S1-024-35261-000 Pressure Switch Is the LED indicator poweredThe York S1 024 35261 000 Pressure Switch is a critical safety component designed for precise monitoring of combustion air and exhaust gas flow within high efficiency HVAC systems. This 1" WC SPNO (Single Pole Normally Open) switch is engineered to close on fall, ensuring that the inducer motor maintains proper static pressure before the ignition sequence initiates. As a direct OEM replacement part, this unit serves as the updated cross reference for
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