WATTS® 0009257 LF25AUB-Z3 Pressure Reducing Valve, 3/4 in Nominal, FNPT Union x FNPT End Style, 25 to 75 psi Pressure, Cast Copper Silicon Alloy Body, Import

WALF25AUBI MFG #: 009257
  • Country of Origin: CN
  • Domestic/Import: Import
  • End Style: FNPT Union x FNPT
  • Inlet to Outlet Length: 5-5/16 in
  • Manufacturer Name: Watts Water Technologies
  • Media: Water
  • Nominal Size: 3/4 in
  • Pressure Range: 25 to 75 psi
  • Series: LF25AUB-Z3
  • Softgoods Material: Reinforced EPDM Diaphragm/Polymer Seat
  • Top to Inlet Center: 7 in
  • Features and More


  • Standard construction includes Z3 sealed spring cage and stainless steel corrosion resistant adjusting and cage screws for accessible outdoor or pit installations
  • Union inlet connection
  • Integral stainless steel strainer
  • Replaceable seat module
  • Serviceable in line
  • Bypass feature controls thermal expansion pressure
  • High temperature resistant reinforced diaphragm for hot water
  • 50 psi (345 kPa) standard pressure setting
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight


  • Commercial and Residential


  • ANSI A112.26.2
  • ASSE Standard 1003
  • CSA Standard B356
  • IAPMO Listed
  • MIL-V-18146B Type I
  • NSF Approved
  • Southern Standard Plumbing Code
  • PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.


  • 1 year Limited