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Watts LF25AUB-HP-Z3 1-1/2" Lead-Free Water Pressure Reducing Valve

Watts LF25AUB-HP-Z3 1-1/2" Lead-Free Water Pressure Reducing Valve

SKU: LF25AUB-HP-Z3

Watts LF25AUB-HP-Z3 — 1-1/2" lead-free water pressure reducing valve, high-pressure range 75-125 PSI factory-set at 90 PSI. Designed to reduce incoming water pressure to protect plumbing system components and reduce water consumption in commercial, industrial, and high-rise residential applications where supply pressure exceeds the standard 25-75 PSI range.

Specifications

ManufacturerWatts
Manufacturer Part NumberLF25AUB-HP-Z3
Watts Ordering Code0009411
UPC098268331653
Size1-1/2 in
Inlet Connection1-1/2" NPT Female Union
Outlet Connection1-1/2" NPT Female
Adjustable Pressure Range75 - 125 PSI (5.2 - 8.6 bar)
Standard Pressure Setting90 PSI
Maximum Working Pressure300 PSI (20.7 bar)
Temperature Range33 - 180°F (0.5 - 82°C)
Body MaterialLead-Free Cast Copper Silicon Alloy
DiaphragmEPDM, high-temperature reinforced
StrainerIntegral stainless steel, removable for cleaning
BypassIntegral thermal-expansion bypass
Lead FreeYes — compliant with state Lead Free installation requirements
Buy American ActCompliant
StandardsASSE 1003, ANSI A112.26.2, CSA B356, IAPMO listed, MIL-V-18146B Type I
Approximate Weight10 lbs

Key Features

  • Lead-Free cast copper silicon alloy construction — meets all federal and state Lead Free statutes
  • Sealed Z3 spring cage with stainless steel corrosion-resistant adjusting and cage screws
  • Integral stainless steel strainer, removable for cleaning without taking the valve out of line
  • Replaceable seat module — serviceable in line
  • Thermal-expansion bypass relieves outlet-side pressure spikes back to the main
  • High-temperature reinforced diaphragm rated for hot water service
  • NPT female union inlet for straightforward installation and service

Typical Applications

  • Commercial buildings with high municipal supply pressure (over 75 PSI)
  • Industrial process water lines
  • High-rise residential supply mains
  • Boiler feedwater pressure regulation (within rated range)
  • Irrigation system pressure control

Documentation

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