Description
The Johnson Controls A-4000-1037 is an inline oil removal filter designed to protect pneumatic control systems from oil contamination. Featuring a convenient 1/4″ barb connection, this compact filter installs easily into existing pneumatic lines to intercept oil aerosols and particulates before they can reach sensitive downstream components such as actuators, controllers, and transducers.
Key Features
- Inline oil removal design keeps pneumatic control lines free of oil contamination
- 1/4″ barb connection for quick, tool-friendly installation into standard pneumatic tubing
- Compact, low-profile form factor fits in tight mechanical spaces
- Helps extend the service life of downstream pneumatic actuators and controls
- Manufactured by Johnson Controls to meet demanding commercial HVAC system requirements
Applications
- Commercial and industrial pneumatic HVAC control systems
- Upstream protection for pneumatic actuators, damper motors, and controllers
- Building automation and air handling unit pneumatic circuits
Product Details
- Brand: Johnson Controls
- SKU / Part Number: A-4000-1037
- Connection Type: 1/4″ Barb
- Filter Type: Inline Oil Removal







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