once ambient temperatures reach 165°F (74°C)

this switch provides the mechanical reliability needed for consistent blower activation and system mode toggling in light commercial and residential environments

protecting sensitive electrical components from thermal overload and ensuring long-term system stability

For a complete combustion overhaul

This high-precision HVAC air pressure switch features a

York S1-024-42415-000 Contactor once ambient temperatures reach 165°FThe York S1 024 42415 000 Contactor is a specialized HVAC single pole contactor designed for high cycle switching applications in residential and light commercial condensers. Engineered as a direct OEM replacement contactor, this component features a 24V coil and is rated for 40A FLA (Full Load Amps), providing the robust electrical handling required for modern compressor and fan motor circuits. Technical cross references confirm this unit is the