Description
Watts R119-04CG 1/2″ Pressure Regulator with Gauge
The Watts R119-04CG is a heavy-duty, 1/2″ pressure regulating valve engineered for demanding commercial and industrial HVAC, plumbing, and gas systems. Designed to accept high inlet pressures up to 300 PSI and deliver a precisely adjustable outlet pressure ranging from 2 to 125 PSI, this regulator provides reliable downstream pressure control across a wide range of system configurations. The integrated pressure gauge allows technicians to monitor outlet pressure at a glance — eliminating the need for a separate gauge installation and simplifying commissioning and service.
Key Features
- 1/2″ pipe connection for easy integration into existing systems
- Maximum inlet pressure: 300 PSI
- Adjustable outlet pressure range: 2–125 PSI
- Built-in pressure gauge for real-time outlet pressure monitoring
- Robust construction for long-term reliability in commercial and industrial applications
- Watts quality engineering — a trusted name in flow control and regulation
Applications
- Commercial HVAC hydronic systems
- Compressed air and gas distribution lines
- Industrial process piping requiring downstream pressure regulation
- Steam and water systems requiring precise pressure management
Why Choose the Watts R119-04CG?
Watts has been a leader in flow control products for over a century. The R119-04CG combines a wide outlet pressure adjustment range with a high-capacity inlet rating, making it one of the most versatile regulators in its class. The factory-installed gauge adds convenience for installation and ongoing maintenance, reducing labor time and the risk of improper gauge fittings. Whether you’re protecting sensitive downstream equipment or balancing pressure across a complex piping network, the R119-04CG delivers consistent, dependable performance.
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