As a critical OEM replacement part

Key Benefits: Precision Switching: Maintains exact start-run timing to prevent compressor overheating and electrical faults

Automatic Safety Response: Employs a precision ball-check mechanism that permits free inhalation during normal operation but restricts gas flow if a diaphragm failure occurs

Common Questions: Will this fan fit my 5/16" motor shaft

York S1-026-34028-001 Limit Switch As a critical OEM replacementThe York S1 026 34028 001 Limit Switch is a critical furnace safety control designed to protect HVAC systems from high temperature excursions. This automatic reset limit switch features a 155F opening threshold and a 125F closing point, ensuring the primary heat exchanger remains within safe operational parameters. As an OEM York replacement part, this component provides the high performance reliability required for both residential and light