Cleveland Controls AFS-275 Air Pressure Sensing Switch, 0.05″ to 2″ w.c.

Cleveland Controls AFS-275 Air Pressure Sensing Switch

The Cleveland Controls AFS-275 is a reliable air pressure sensing switch engineered for precise differential pressure detection in HVAC and combustion applications. With a sensing range of 0.05″ w.c. ± 0.02″ w.c. to 2″ w.c. and a maximum pressure rating of 1/2 PSI, this switch delivers accurate, repeatable performance across a wide variety of system configurations.

Designed to work with air or combustion by-products that will not degrade silicone, the AFS-275 is well-suited for use in furnaces, boilers, draft inducers, and other heating equipment where proof-of-flow or pressure verification is required. Its robust construction and carefully calibrated sensing mechanism make it a dependable choice for OEM and replacement applications alike.

Key Features

• Sensing range: 0.05″ w.c. ± 0.02″ w.c. to 2″ w.c.
• Maximum pressure rating: 1/2 PSI
• Compatible media: Air or combustion by-products that will not degrade silicone
• Suitable for furnace, boiler, and draft inducer pressure proving applications
• Designed for accurate, repeatable switching performance
• Compact design for easy integration into existing control panels and equipment

Applications

• Proof-of-flow and pressure proving in gas furnaces and boilers
• Draft inducer verification in residential and light commercial heating systems
• Combustion air pressure monitoring
• OEM and field replacement in air-handling and combustion equipment

Product Specifications

• Brand: Cleveland Controls
• Model / SKU: AFS-275
• Sensing Range: 0.05″ w.c. ± 0.02″ w.c. to 2″ w.c.
• Maximum Pressure: 1/2 PSI
• Media Compatibility: Air or combustion by-products that will not degrade silicone