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When switching from acetylene to propane or natural gas
Common Questions What shaft sizes does the KH10 support
Zero Minimum Differential: Reliable operation in gravity-fed or low-pressure systems with no minimum pressure requirement
Broad Pressure Window: Reliable operation from 5 to 150 PSI
Bard HVAC 8402-124BX Limit Switch 321894-706 When switching from acetylene toThe Bard HVAC 8402 124BX Limit Switch is a critical safety component designed for high temperature monitoring in Bard wall mount units and gas electric furnaces. Engineered with an L270 30 specification, this fixed temperature limit control is calibrated to open the electrical circuit at 270F, protecting the heat exchanger from structural damage and preventing unsafe operating conditions. The 30F differential ensures the switch resets automatically
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