Description
The Veris Industries PAS03 Differential Pressure Switch 0.4-4″ WC is a monitoring and control component used to detect pressure differences in air handling and ventilation units in HVAC systems. It works by sensing variations in air pressure across filters, ducts, or fans and activating electrical contacts when preset pressure levels are reached. It is used in airflow proving, filter monitoring, and fan status applications, and it improves system safety, supports accurate airflow control and helps maintain efficient equipment operation. It enhances performance monitoring and ensures reliable, energy-efficient operation in systems.
