Check your specific unit model number to determine if supplementary kit components are needed

Professional-grade ball bearings and thermal protection are standard to handle high-ambient temperatures in the condenser section

Flexible Control Options: The SPDT switch configuration allows for simple conversion between low-pressure cut-out and high-pressure cut-in applications

High Inlet Rating: Handles up to 5 PSI inlet pressure

Reliable Heat Transfer: Supports uniform airflow through the heater bank

York S1-5994063 Pressure switch L99H008 Check your specific unit modelThe York S1 5994063 is a critical safety component designed for precise monitoring of the combustion air blower's vacuum pressure within gas fired furnaces. This York furnace pressure switch serves as the direct OEM S1 025 30249 700 cross reference, ensuring that your equipment maintains strict adherence to factory combustion protocols. As a veteran technician knows, using a generic switch on a York, Coleman, or Luxaire system can lead to erratic