Bard HVAC 8402-093BX Thermal Cutoff

The Bard HVAC 8402-093BX Thermal Cutoff is a critical safety component designed for wall-mounted HVAC units to prevent damage from excessive heat. As the official replacement for S8402-093, this OEM 110C thermal limit switch provides precise circuit interruption when internal temperatures exceed 230°F (110°C). For service technicians, utilizing the 8402-093BX thermal cutoff 110C ensures that the control circuit is protected against overheating faults typically caused by blower failure or restricted airflow. This Bard 8402-093BX replacement is a non-resettable safety device, engineered to maintain the integrity of the unit's electrical systems. When troubleshooting Bard HVAC thermal safety switches, this part is often the first line of defense in protecting the compressor and heat strips. Professionals recommend verifying the specific service manual for your Bard wall-mount unit to ensure HVAC thermal cutoff compatibility. This genuine part replaces previous versions including 8402-093 and G5AM0400110C, offering a reliable solution for restoring factory-spec safety parameters to the equipment.

Key Benefits:

• Precise 110°C Thermal Protection: Engineered to interrupt electrical circuits immediately upon reaching its 110°C (230°F) threshold to prevent equipment fires.
• Exact OEM Replacement: Designed as the direct substitute for Bard S8402-093, ensuring proper fit and electrical rating without field modifications.
• Enhanced System Safety: Protects high-value components like blower motors and control boards from heat-related failure during a fault event.
• Direct Fit for Wall-Mount Units: Specifically optimized for application in Bard wall-mounted HVAC and climate control systems.

Common Questions:

How do I know if my Bard thermal cutoff has failed?
Technicians should check for continuity across the terminals using a multimeter; if the circuit is open at room temperature, the cutoff has tripped and must be replaced. How do I test a 110C thermal limit switch? Isolate the part from power and measure resistance; a functioning 8402-093BX will show near-zero ohms of resistance. Is the 8402-093BX a resettable limit? No, this is a one-time thermal fuse designed to be replaced once the 110°C temperature limit is triggered to ensure continued system safety.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.