WATTS® 0009478 LFN45B Pressure Reducing Valve, 3/4 in, FNPT, 400 psi, Copper Silicon Alloy Body

1146074 MFG #: 0009478
$259.50 / ea
  • Body Material: Cast Copper Silicon Alloy
  • Domestic/Import: Domestic
  • End Style: FNPT
  • Inlet to Outlet Length: 3-7/16
  • Media: Water
  • Nominal Size: 3/4
  • Pressure Range: 25 to 75
  • Series: LFN45B
  • Softgoods Material: Thermoplastic Seat/Reinforced EPDM Diaphragm
  • Temperature Rating: 33 to 180
  • Top to Inlet Center: 4-9/16

WATTS® No Lead Pressure Reducing Valve, Series: LFN45B, 3/4 in Nominal, FNPT, 400 psi, 33 to 180 deg F, Media: Water, 3-7/16 in Inlet to Outlet Length, 4-9/16 in Top to Inlet Center, Copper Silicon Alloy Body, Reinforced EPDM Diaphragm/Thermoplastic Seat

Series LFN45B Lead Free Water Pressure Reducing Valves are used in commercial and residential applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. It consists of a Lead Free cast copper silicon alloy body construction, stainless steel integral strainer, thermoplastic seat and cage, thermal expansion bypass, and sealed spring cage for waterworks pit installations. The LFN45B Series is available in a variety of end connections including: threaded, solder, PEX, quick-connect and CPVC with both union and double union connections.

  • Features
  • Videos
  • Integral stainless steel strainer
  • Thermoplastic seat and cage
  • Lead free cast copper silicon alloy body construction
  • Serviceable in line
  • Bypass feature controls thermal expansion pressure
  • Sealed spring cage on all models for accessible outdoor or pit installations
  • 25 to 75 psi (172 to 517 kPa) adjustable reduced pressure range
  • 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
  • Note: a water saving test program concluded that reducing the supply pressure from 80-50 psi (551-345 kPa) resulted in a water savings of 30%
  • Note: the bypass feature will not prevent the pressure relief valve from opening on the hot water supply system with pressure above 150 psi (10.3 bar)
  • Standard/Approvals: ANSI A112.26.2, ASSE Standard 1003, City of Los Angeles, CSA Standard B356, IAPMO Listed, NSF to ANSI/NSF Standard 61 Annex G Certified