Bard HVAC 8406-042BX Pressure Switch 0.28" WC Pressure Fall

The Bard HVAC 8406-042BX Pressure Switch is an essential part of the HVAC systems. Its function is to detect a particular pressure drop of 0.28” WC. It measures the pressure of air in the HVAC unit and if the pressure drops to this level, it acts. It might involve activating an alarm, to shut down to protect the system from further damage or to signal a fault. Some benefits include avoiding expensive repair bills resulting from problems such as blocked filters, or failing blowers, guaranteeing efficient system performance, and providing comfort within buildings. In HVAC equipment, it is used to control the airflow and to protect the system.