Bard HVAC 8402-074BX Limit Switch Proper installation requires verifying the

Proper installation requires verifying the temperature rating against the original equipment manufacturer's specifications to ensure the combustion blower and heat exchanger operate within safe parameters

Universal Compatibility: Fully compatible with Sporlan Q

Electrical Integrity: Rated for standard 15 Amp loads

Enhanced System Safety: Protects high-value components like blower motors and control boards from heat-related failure during a fault event

Multi-Refrigerant Compatibility: Rated for 3 tons with R-22 and 2 tons with R-404A

Bard HVAC 8402-074BX Limit Switch Proper installation requires verifying theThe 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