eliminating the risk of universal part vibration or mounting failure

A normally closed valve would require constant power to stay open

OEM Compatibility: Designed specifically for Bard HVAC units

The adjustable timing (13 to 130 seconds at no load) and integrated SPDT auxiliary switch provide field flexibility for sequencing and feedback

excessive vibration/chatter during operation

Bard 8402-044 Limit Switch 321142-301 eliminating the risk of universalThe Bard 8402 044 is a precision engineered L180F manual reset limit switch designed specifically for heavy duty HVACR applications. This upper limit safety control is a critical safety component that monitors heat exchanger temperatures, effectively breaking the electrical circuit if the ambient temperature exceeds the fixed 180 degree Fahrenheit threshold. As a dedicated Bard replacement part, this switch ensures high limit protection for various