1/2" x 2" Adjustable Pressure Reducing Valve Lead Free

$365.71
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In stock
0 Available At My Branch
7 Available At All US Supply Locations
Part Number
125571
SKU
2008908

Watts 25AUB 1/2" Pressure Reducing Valve – Adjustable, Lead-Free Control for Stable Water Pressure

The Watts 25AUB 1/2" Pressure Reducing Valve is built to regulate incoming water pressure in residential and light commercial systems, preventing pressure spikes that can damage piping, fixtures, and appliances. Its compact, high-performance design is engineered to maintain downstream pressure within a controlled range—even when inlet pressure fluctuates.

This valve comes pre-set to 50 PSI and is field-adjustable from 25 to 75 PSI, offering flexibility to match project-specific requirements. With a union inlet and FNPT outlet, it's built for ease of installation and long-term serviceability. The lead-free brass body complies with all current drinking water standards, making it suitable for potable water lines.

Core Features

  • Adjustable Pressure Control – Factory set at 50 PSI; easily adjusted from 25 to 75 PSI to meet system needs.
  • Lead-Free Certified – Constructed from materials that meet NSF/ANSI 372 standards for use in potable water applications.
  • Compact, Heavy-Duty Body – Built with cast brass for durability and corrosion resistance in demanding environments.
  • Integrated Strainer – Protects internal components from debris, improving longevity and performance.
  • Union Inlet Connection – Simplifies installation and allows for easy future servicing or replacement.

Technical Specifications

  • Connection Size: 1/2"
  • Inlet/Outlet: Union FNPT x FNPT
  • Pressure Range: 25 – 75 PSI adjustable (preset to 50 PSI)
  • Temperature Range: 33°F to 160°F
  • Certifications: ASSE 1003, ANSI A112.26.2, CSA B356, IAPMO listed

Installation Notes

Although designed for ease of installation, proper setup is key to reliable operation. Professional installation is recommended to ensure code compliance and correct calibration. The valve should be installed in a clean, horizontal run of pipe with sufficient clearance for adjustment and service access.

Performance Built for the Field

For Contractors: The 25AUB delivers consistent results in residential, multi-family, and light commercial applications. With its pressure adjustability, corrosion-resistant construction, and integral strainer, it helps maintain safe operating conditions and extend the lifespan of system components.

For Experienced DIYers: This valve offers straightforward installation and user-adjustable pressure settings—but ensure you're equipped with the proper tools and knowledge to meet local plumbing codes.

Professional-Grade Pressure Control

The Watts 25AUB is a reliable choice when stable water pressure is required to protect system integrity and enhance performance. With a lead-free brass body and tested compliance with industry standards, it delivers a dependable solution for modern water systems.

Specifications

Specifications
Weight 2.600000
Recommended 5837
Manufacturer Part Number 125571
Sub Type Pressure Reducing Valve
Body Material Brass
Domestic/Import Import
End Style Copper Press
Media Water
Nominal Size 1/2 in
Temperature Rating 33 to 160 Deg F
Item Returns This item can be returned
Features