Description
The Cleveland Controls AFS-405-112 is a versatile air pressure sensing switch engineered for precise differential pressure detection across a wide sensing range of 0.05″ w.c. to 12″ w.c. Designed for demanding HVAC and building automation applications, this switch provides dependable proof-of-flow and pressure-proving performance in air handling systems, duct networks, and related equipment.
Key Features
- Wide sensing range: 0.05″ w.c. to 12″ w.c. (inches water column)
- Designed for air pressure sensing and differential pressure monitoring
- Suitable for use in air handling units, ductwork, and HVAC systems
- Reliable switching action for proof-of-flow and safety interlock applications
- Compact, durable construction for long service life
- Easy field installation and adjustment
Typical Applications
- Air handling unit (AHU) fan proving
- Duct static pressure monitoring
- Filter status detection
- Building automation and HVAC control systems
- Safety interlock circuits requiring pressure confirmation
Product Details
- Brand: Cleveland Controls
- Model / SKU: AFS-405-112
- Type: Air Pressure Sensing Switch
- Pressure Range: 0.05″ w.c. to 12″ w.c.







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