Bard HVAC 8406-078 Pressure Switch we see compressors fail prematurely

we see compressors fail prematurely when they try to restart against high head pressure

which prevents oil foaming and premature bearing failure during the next startup cycle

For contractors managing pneumatic control system maintenance

Rugged Construction: Designed for reliability in harsh outdoor environments with high-tolerance electrical internal components

When replacing older or fouled rods

Bard HVAC 8406-078 Pressure Switch we see compressors fail prematurelyThe Bard HVAC 8406 078 Pressure Switch is a critical safety and operational component engineered for Bard wall mount units and packaged HVAC systems. As a genuine OEM Bard replacement part, this switch is calibrated to a precise 0. 38" Water Column (WC) set point, ensuring it accurately monitors static pressure and airflow conditions. In high demand HVAC mechanical services, maintaining the correct pressure switch for air handlers is essential to