York S1-025-29041-003 Limit Switch The York S1-025-30321-700 Limit Switch

The York S1-025-30321-700 Limit Switch is a critical safety component engineered for precise thermal monitoring in high-output HVAC furnace systems

Always verify your specific model number on the rating plate before installation

verifying the microfarad rating and AC voltage compatibility is essential when replacing Danfoss electrical starting equipment

What causes a Danfoss potential relay to fail prematurely

York S1-025-29041-003 Limit Switch The York S1-025-30321-700 Limit SwitchThe York S1 025 29041 003 Limit Switch is a critical OEM safety component engineered for precise thermal regulation within residential gas furnaces and HVAC systems. Designed with an auto reset function, this high limit control provides essential overheat protection by monitoring the internal plenum temperature. This specific L165 30 furnace limit switch is calibrated to open at 165F (shuting down the burner) and close at 135F (resuming operation once