Description
The Cleveland Controls AFS-952-B is a precision-engineered air pressure sensing switch designed for reliable detection and control in HVAC and combustion applications. Featuring change-on-increasing-pressure contact action, this switch responds as system pressure rises through its calibrated range, making it ideal for proving airflow, monitoring draft, and safeguarding combustion equipment.
Key Features
- Changes contacts on increasing pressure — ideal for airflow proving and draft monitoring
- Wide sensing range: from .03″ + 0.02″ w.c. up to 12″ w.c.
- Broad voltage compatibility: 120V–277VAC for flexible installation across commercial and residential systems
- Maximum pressure rating: 1/2 PSI, providing a safe operating envelope
- Compatible with air and combustion by-products that will not degrade silicone — suitable for flue gas and exhaust environments
- Silicone-safe wetted materials ensure long-term durability in combustion applications
Specifications
- SKU: AFS-952-B
- Brand: Cleveland Controls
- Contact Action: Change on Increasing Pressure
- Sensing Range: .03″ + 0.02″ w.c. to 12″ w.c.
- Supply Voltage: 120V–277VAC
- Maximum Pressure: 1/2 PSI
- Media Compatibility: Air or combustion by-products that will not degrade silicone
Applications
- Airflow proving in HVAC air handling units and furnaces
- Draft proving on boilers and combustion equipment
- Combustion safety interlocks
- Fan and blower status monitoring
- Filter restriction detection
The AFS-952-B is built to handle the demands of both commercial and light industrial HVAC environments. Its wide voltage range eliminates the need for additional transformers in most installations, while its silicone-compatible media rating ensures reliable performance in flue gas and combustion exhaust streams.
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