this general-purpose limit control ensures the system operates within factory-specified thermal parameters

Key operational functions including Min/Max memory and Data Hold simplify the logging of peak temperature performance during startup and commissioning cycles

as these issues cause plenum temperatures to exceed the 170°F limit

OEM Compatibility: Specifically designed for the Sensus 046 regulator family

York S1-025-26390-001 Limit Switch this general-purpose limit control ensuresThe York S1 025 26390 001 limit switch is a critical safety component designed for precise thermal regulation within residential gas furnaces. This HVAC high limit switch features an automatic reset mechanism and is calibrated to operate within a specific 210 260 F temperature range. When diagnosing a furnace overheating fix, technicians often identify this part as the primary failsafe that interrupts power to the gas valve when plenum temperatures