Bard HVAC 8406-037BX Switch Critical Safety Cutoff: Automatically breaks

Critical Safety Cutoff: Automatically breaks the electrical circuit at 240°F to prevent hazardous overheating

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Superior Insulation: Designed to handle high-voltage ignition pulses without dielectric breakdown or thermal degradation

For service technicians and HVAC installers

Bard HVAC 8406-037BX Switch Critical Safety Cutoff: Automatically breaksThe Bard 8406 037BX is a critical safety component designed for high limit temperature monitoring in HVAC blower assemblies and heat sections. This 220F manual reset temperature switch serves as a direct functional replacement for the 8406 037, ensuring seamless integration into existing Bard wall mount units and furnace configurations. Operating as a normally closed (NC) contact, this limit control switch interrupts the 24V or line voltage circuit to