Description
The Tjernlund Products PS2501 is an adjustable differential pressure static air switch engineered for dependable airflow detection and system safety in commercial and residential HVAC applications. Designed to sense changes in static pressure across air-handling systems, this switch provides accurate, responsive control that helps protect equipment and maintain proper ventilation operation.
Key Features
- Adjustable differential pressure setpoint for flexible installation across a wide range of HVAC systems
- Static pressure sensing design accurately detects airflow presence or absence
- Reliable switching action helps protect blowers, fans, and associated equipment from unsafe operating conditions
- Compact, durable construction suitable for both new installations and retrofit applications
- Designed and manufactured by Tjernlund Products, a trusted name in HVAC ventilation and controls
Applications
- Air handling units and fan coil systems
- Ventilation and exhaust fan interlock circuits
- Combustion air proving and safety interlock systems
- Duct pressure monitoring and airflow verification
Product Details
- Brand: Tjernlund Products
- Model / SKU: PS2501
- Type: Adjustable Differential Pressure Static Air Switch







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