Johnson Controls A-4000-1037 Pneumatic In-Line Oil Removal Filter 1/4" Barb

The Johnson Controls A-4000-1037 is a pneumatic in-line oil removal filter designed to protect control systems and instrumentation from oil contamination in compressed air lines. This essential component removes oil aerosols and particles from air supply lines, ensuring clean, dry air reaches sensitive pneumatic controls and actuators.

Key Features:

• 1/4" barb connections for easy installation in standard pneumatic tubing
• In-line design allows installation at any point in the air supply system
• Effectively removes oil contamination from compressed air streams
• Direct replacement for legacy part number A-4000-137
• Durable construction for reliable long-term performance in HVAC and building automation systems

This filter is commonly used in Johnson Controls pneumatic control systems to maintain air quality and prevent oil buildup that can cause control failures, valve malfunctions, and reduced system performance. Regular replacement as part of preventive maintenance helps ensure accurate control operation and extends the life of downstream pneumatic components.