Common Questions What is the difference between open on rise and close on rise for this switch

Constructed from heavy-duty aluminum to resist corrosion and minimize rotational mass

5W power consumption

As a trusted OEM replacement solenoid

this valve is specifically engineered to provide a Maximum Operating Pressure (MOP) limit

Bard HVAC 9043-311 Pressure Switch Refrigerant Common Questions What is theThe Bard HVAC 9043 311 Pressure Switch is a critical safety component designed for precise monitoring of combustion air and static pressure in compatible Bard wall mount units and forced air systems. This SPST pressure switch is factory calibrated to a 0. 52" WC set point, ensuring the inducer motor or blower assembly maintains correct pneumatic conditions before allowing the ignition sequence to proceed. It features a standard 1 4" barbed connection