Universal Round Form Factor: Standard 2-inch diameter and 4

Ensure a solid 24V signal is reaching the coil

ensuring matched electrical specs for HST compressor motors

serving as a direct solution for ignition failures or intermittent "lockout" codes caused by carbon buildup or porcelain cracks

Bard HVAC 8402-074BX Limit Switch Universal Round Form Factor: StandardThe 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