Cleveland AFS-275-112 Air Pressure Sensing Switch

The Cleveland AFS-275-112 air pressure sensing switch is a reliable SPDT air pressure proving switch designed for precise control in pneumatic systems. Operating over a sensing range of 0.05" to 2.0" W.C. (water column), this compact device delivers fast, repeatable switching for HVAC, industrial automation, and safety-critical applications.

The AFS-275-112 integrates seamlessly into control circuits, yielding a crisp SPDT output that simplifies wiring and logic decisions. Built for durability, it resists vibration and temperature variations while maintaining stable performance in challenging environments. Model 20196112 ensures traceability and compatibility with Cleveland components, making replacements straightforward and maintenance simple.

Ideal for proving pressure in air lines, burner controls, humidification systems, and pneumatic logic networks, this switch helps optimize system efficiency by ensuring correct valve and blower operation. It’s a versatile choice for technicians seeking reliable, plug‑and‑play performance in a compact package.

Features

• SPDT output for simple integration with relays and controllers
• Sensing range from 0.05" to 2.0" W.C. for versatile applications
• Compact, rugged construction designed for confined spaces and harsh environments
• High reliability with repeatable actuation and stable operation
• Model 20196112 compatibility ensures easy maintenance and part matching