Description
The Johnson Controls A-4000-1049 is a high-performance coalescing oil removal filter engineered to protect pneumatic control systems from oil contamination in compressed air lines. By capturing and coalescing oil aerosols and fine particulates before they reach sensitive downstream components, this filter helps extend equipment life, maintain system efficiency, and ensure reliable operation of pneumatic actuators, controllers, and instrumentation.
Key Features
- Coalescing filtration technology effectively removes oil aerosols and fine mist from compressed air
- 3/8″ NPT inlet/outlet connections for straightforward installation into standard pneumatic piping
- Rated for 20 SCFM flow capacity, suitable for light commercial and building automation pneumatic systems
- Protects downstream pneumatic controls, actuators, and instrumentation from oil-related damage
- Compact, durable construction designed for long service life in demanding HVAC environments
- Compatible with Johnson Controls pneumatic air preparation systems
Product Specifications
- SKU: A-4000-1049
- Brand: Johnson Controls
- Filter Type: Coalescing Oil Removal
- Connection Size: 3/8″ NPT
- Flow Rate: 20 SCFM
Applications
- Pneumatic HVAC control systems in commercial buildings
- Air preparation for pneumatic actuators and damper controls
- Compressed air supply protection for building automation systems
- Upstream filtration before pressure regulators and control devices






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