Description
The Johnson Controls A-4000-138 is a 3/8″ Pressure Reducing Station engineered to deliver stable, regulated downstream pressure in pneumatic control systems. Supplied as a complete, ready-to-install assembly, this station includes a mounting bracket for secure installation and a 0–30 PSI gauge for immediate, at-a-glance pressure monitoring — eliminating the need to source components separately.
Key Features
- 3/8″ port size for compatibility with standard pneumatic control piping
- Integrated 0–30 PSI pressure gauge for real-time downstream pressure monitoring
- Includes mounting bracket for fast, secure installation
- Complete station assembly reduces installation time and parts sourcing
- Designed for use in commercial HVAC pneumatic control applications
- Reliable pressure reduction to protect downstream components and maintain system accuracy
Applications
The A-4000-138 is ideal for commercial building HVAC systems utilizing pneumatic controls, including air handling units, damper actuators, and pneumatic valve operators. It ensures consistent supply pressure to downstream control devices, helping maintain precise environmental control throughout the building.
What’s Included
- 3/8″ Pressure Reducing Station
- Mounting Bracket
- 0–30 PSI Pressure Gauge
Product Specifications
- Brand: Johnson Controls
- Model / SKU: A-4000-138
- Port Size: 3/8″
- Gauge Range: 0–30 PSI
- Includes: Bracket and Gauge
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