Description
The Cleveland Controls AFS-145 is a precision-engineered air pressure sensing switch designed for reliable performance in HVAC, combustion, and air-handling applications. Built to handle a wide sensing range and compatible with air or combustion by-products that will not degrade silicone, this switch delivers dependable differential pressure detection in demanding environments.
Key Features
- Wide pressure sensing range: 0.05″ ± 0.02″ to 12″ w.c. (water column)
- SPDT (Single-Pole, Double-Throw) contact arrangement for versatile switching configurations
- 1/8″ NPT sample line connector for easy field installation and integration
- Compatible with air or combustion by-products that will not degrade silicone internals
- Suitable for use in HVAC air-proving, combustion safety, and pressure monitoring applications
Specifications
- Model: AFS-145
- Brand: Cleveland Controls
- Pressure Range: 0.05″ ± 0.02″ – 12″ w.c.
- Sample Line Connection: 1/8″ NPT
- Contact Arrangement: SPDT
- Media Compatibility: Air or combustion by-products that will not degrade silicone
Applications
- Air proving and flow detection in HVAC systems
- Combustion air pressure monitoring on boilers and burners
- Draft inducer and blower proving circuits
- General-purpose differential pressure switching in commercial and industrial HVAC equipment
The AFS-145’s SPDT contact arrangement provides both normally open (NO) and normally closed (NC) circuit options, giving installers maximum flexibility in control wiring. The 1/8″ NPT port ensures a secure, leak-free connection to standard sample tubing, while the silicone-compatible wetted materials protect switch longevity in combustion by-product environments.
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