Overview
The Watts 0049524 U5B-Z3 is a high-performance water pressure reducing valve designed for residential, commercial, and industrial plumbing applications. This valve regulates incoming water pressure to a safe, predetermined downstream level, protecting plumbing system components and reducing water consumption. With a standard pressure setting of 50 PSI and adjustable range of 25–75 PSI, it accommodates most municipal and private water supply systems.
Key Features
- Bronze body construction for corrosion resistance and durability
- Integral stainless steel strainer and replaceable seat module
- Standard 50 PSI pressure setting with field-adjustable range of 25–75 PSI
- Maximum working pressure rating of 300 PSI
- 1/2″ threaded end connection (NPT)
- Integral thermal expansion bypass to prevent water hammer and system damage
Technical Specifications
- Part Number: Watts 0049524
- Series: U5B-Z3
- Inlet/Outlet Size: 1/2″ NPT
- Body Material: Bronze
- Standard Pressure Setting: 50 PSI (345 kPa)
- Adjustable Pressure Range: 25–75 PSI (172–517 kPa)
- Maximum Working Pressure: 300 PSI (21 bar)
- Operating Temperature Range: 33–180°F (0.5–82°C)
- Internal Strainer: Stainless steel
- Bypass Type: Thermal expansion bypass
Typical Applications
The Watts 0049524 is ideal for:
- Municipal water supply line pressure regulation
- Multi-family residential buildings and apartment complexes
- Commercial buildings and office facilities
- Industrial facilities with potable water systems
- Systems requiring protection against high-pressure surges and water hammer
- Properties with private wells or elevated storage tanks
Compatibility & Replacements
Compatible With
- Standard 1/2″ NPT threaded plumbing connections
- Residential and commercial water supply systems
- Potable water applications (compliant with lead-free standards)
- Inline installation on main water supply lines
Replaces / Drop-In Replacement For
- Earlier Watts U5B-Z3 1/2″ models
- Direct replacement for Watts 0049524 original equipment
- Verify compatibility with your system integrator or plumber before ordering for specific replacement applications
Works With
- All standard water supply pressure gauges
- Thermal expansion tanks and water hammer arresters
- Downstream water conditioning and filtration equipment
- Building-code-compliant main water shutoff and regulator assemblies
