Description
Veris PAS03 Air Pressure Switch Overview
The Veris PAS03 is a precision air pressure switch engineered for dependable performance in HVAC air handling, duct pressure monitoring, and building automation applications. With a sensing range of 0.4 to 4 inches water column (” WC), this switch is well-suited for detecting airflow presence, filter status, fan operation, and other critical pressure conditions across a wide range of commercial and light industrial systems.
Key Features
- Sensing range: 0.4–4″ WC (inches water column)
- Designed for air duct and air handler pressure monitoring
- Compact, field-installable design for easy integration
- Suitable for building automation and HVAC control systems
- Reliable switching action for fan proving, filter monitoring, and airflow detection
- Veris Industries quality construction for long service life
Typical Applications
- Fan/blower proving in air handling units
- Dirty filter detection and alerts
- Duct static pressure monitoring
- Building automation system (BAS) integration
- Commercial HVAC equipment protection
Why Choose the Veris PAS03?
Veris Industries is a trusted name in HVAC sensing and monitoring solutions. The PAS03 delivers accurate, repeatable switching performance across its full 0.4–4″ WC range, helping protect equipment and ensure system efficiency. Its straightforward installation and robust design make it a go-to choice for HVAC technicians and building automation professionals alike.









