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Lead Free* Water Pressure Reducing Valves

Series LFN55B 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* brass body construction integral stainless steel strainer, thermoplastic seat, bronze sealed spring cage for waterworks pit installations and thermal expansion bypass. The LFN55B is available with either threaded, solder, PEX, quick-connect or CPVC end connections. Maximum Working Pressure: 400psi (27.6 bar), Adjustable Reduced Pressure Range: 25 to 75psi (172 to 517 kPa), Standard Pressure Setting: 50psi (345 kPa).


  • Sealed spring cage for accessible outdoor or pit installations
  • Parts are easily and quickly serviceable without removing valve from line
  • Integral stainless steel strainer to stop debris
  • Bypass feature controls thermal expansion pressure

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LFN55B-M1

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: