Watts Series LF25AUB-Z3 300 psi Cast Copper Silicon Alloy Solder Union x FNPT Pressure Reducing Valve


  • Designed to reduce incoming water pressure to protect plumbing systems
  • Designed to reduce water consumption for commercial, industrial and residential applications
  • Integral stainless steel strainer removable for cleaning
  • Pressure range can be adjusted from 25 to 75 PSI
  • Replaceable seat module
  • Sealed spring cage with stainless steel cage screws
  • Solder union inlet
  • Suitable for up to 300 PSI
  • Temperature range is 33 to 160 degrees F

Valve Size:


Starting at

$300.29 EACH
ADA Compliant No
ANSI Specifications ANSI A112.26.2
ASSE Standards ASSE 1003
Application Commercial, Residential
BAA Compliant Yes
CSA Certified CSA B356
Collection Series LF25AUB-Z3
End Connection 1 Solder Union
End Connection 2 Female Threaded
End Connections Solder Union x Female Threaded
Fitting Size 1 3/4 in
Fitting Size 2 3/4 in
Fitting Sizes 3/4 in
IAPMO Listed Yes
ISO Specifications ISO 9001-2008
Lead Law Compliant Yes
Length 6-7/8 in
Material Copper Silicon Alloy
Maximum Pressure 300 psi
Maximum Temperature 160
Minimum Temperature 33
NSF Certified No
Recommended Valve Application Water
Valve Body Style Standard
Valve Disc Material EPDM
Valve Port Opening Reduced Port
Valve Seat Material Stainless Steel
Valve Size 3/4 in
Valve Type Pressure Reducing Valve
Weight 2.92