Bard HVAC 8402-074BX Limit Switch Automatic Reset: Eliminates the need

Automatic Reset: Eliminates the need for manual intervention after temporary temperature spikes

the York S1-025-41321-000 Limit Switch is a critical safety component for maintaining thermal integrity in high-efficiency furnaces and packaged HVAC units

Thermometer Cutout

superseding older part numbers like CTR1143 and CTR02579

As a furnace safety switch

Bard HVAC 8402-074BX Limit Switch Automatic Reset: Eliminates the needThe Bard HVAC 8402 074BX Limit Switch is a critical high limit safety control engineered for Bard wall mount and packaged units. As an OEM L170 7F limit switch, this component is designed to break the heating circuit if internal temperatures reach a 170F threshold, protecting the heat exchanger and blower assembly from thermal damage. This model features a manual reset mechanism, requiring a technician to physically inspect the system and clear the