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The bimetal disc sensor provides reliable automatic reset functionality
Eliminates External Venting: Specialized design allows for indoor regulator installation without venting to the building exterior
ensuring precise open on rise switch action to prevent heat exchanger damage or unsafe operating conditions
high-efficiency boilers
It is compatible with standard and slow opening valves but cannot be used with step-opening regulators
Bard HVAC 8406-086BX Pressure Switch The bimetal disc sensor providesThe Bard 8406 086BX Pressure Switch is a critical safety and performance component designed for specific air proving applications within Bard wall mount units and HVAC systems. This 0. 35" WC SPDT pressure switch functions as a differential air pressure sensor, ensuring proper blower operation and venting before allowing the ignition sequence or cooling cycle to proceed. It is a direct factory replacement and is electrically and mechanically identical
US$ 104.13
US$ 35.00
US$ 56.82
