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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Versatile CO Action: Operates as a changeover switch
Does this gasket require additional sealants
Key Benefits Precise Thermal Calibration: Fixed 150°F trip and 110°F reset points ensure consistent HVAC safety limit performance
Key Benefits for Technicians: Standardized 300°F Trip Point: Calibrated for specific Armstrong and Allied Air flame rollout tolerances to prevent heat exchanger damage
Is this part an exact replacement for the S1-025-38970-000
York S1-025-29041-004 Limit Switch Versatile CO Action: Operates asMaintain the integrity of critical safety circuits with the York S1 025 29041 004 Limit Switch, a precision engineered OEM furnace replacement part designed for high cycle reliability. This auto reset limit switch features a 3 inch sensor arm calibrated to industry standards, effectively monitoring heat exchanger temperatures. When the plenum temperature reaches the 160F limit, the internal bimetal disc triggers a circuit interruption to prevent
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