Bard 8402-138BX Limit Control 240 Degree One-Shot Safety Switch

The Bard 8402-138BX is a one-shot limit control designed for HVAC safety applications. This thermal limit switch is factory-calibrated to open at 240 degrees Fahrenheit, providing critical overheat protection for heating systems.

Key Features:

• One-shot (manual reset) operation prevents automatic restart after thermal event
• 240°F fixed temperature setpoint for reliable overheat protection
• Designed for Bard HVAC equipment and compatible systems
• Snap-action switching mechanism for positive circuit interruption
• Compact design for easy installation in tight spaces

This limit control is a critical safety component that must be manually reset after activation, ensuring that potential heating system problems are addressed before the unit can be restarted. Commonly used in furnaces, rooftop units, and packaged HVAC systems to prevent damage from excessive temperatures.