Description
Watts R119-03C 3/8″ Air Regulator Overview
The Watts R119-03C is a 3/8″ air regulator engineered to deliver precise, consistent downstream pressure control across a 0–125 PSI operating range. Designed for use in HVAC, pneumatic control, and air preparation systems, this regulator helps protect downstream equipment from pressure fluctuations, extending component life and improving system reliability.
Key Features
- 3/8″ port connection for easy inline installation
- 0–125 PSI operating pressure range for broad application compatibility
- Compact, durable construction suited for commercial and industrial HVAC environments
- Precise pressure adjustment to maintain stable downstream air supply
- Watts quality engineering for long-lasting, dependable performance
Typical Applications
- Pneumatic HVAC control systems
- Air preparation and conditioning lines
- Compressed air distribution systems
- Commercial and light industrial air supply regulation
Product Specifications
- Brand: Watts
- Model / SKU: R119-03C
- Connection Size: 3/8″
- Pressure Range: 0–125 PSI







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