Pros, Join Our TradeMaster Program!
**Lead Free

MasterSeries® LF860 Lead Free* Reduced Pressure Zone Assemblies are used to protect against high hazard (toxic) fluids in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants. They are also used in irrigation systems, boiler feed, water lines and other installations requiring maximum protection. They feature an epoxy coated ductile iron body and OSY shutoff valves. Maximum Working Pressure: 175psi (12.1 bar).

  • Inline Serviceable Assembly
  • No Special Tools Required for Servicing
  • Captured Modular Spring Assembly
  • Reversible & Replaceable Discs
  • Field Replaceable Seats
  • Ductile Iron Valve Body Design
  • Stainless Steel Check Components
  • Modular Pressure Differential Relief Valve
  • Repairable Pressure Differential Relief Valve
  • Clapper Check Assembly
  • Captured O-ring Design
Read more
Weight (lbs):
213 lbs
Max Pressure (PSI):
Water Temperature:
32°F to 140°F
Hydrostatic Test Pressure:
350 PSI
Connection Type:
Cast Iron
Product Type:
Backflow Preventer
Lead Free:
Happy Thanksgiving!
Special Hours
Our Customer Support is closed today in honor of Thanksgiving. We will be back on Monday to answer your questions. Have a nice holiday!
Closed Now: Phone Hours
Monday – Thursday
8am–7:45pm ET
9am–7:45pm ET

1 Video

    Product Reviews

    Product Q&A

    Add-on Item

    This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

    Why don't we show the price of this item?

    We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

    To see the price, simply add the item to your cart or sign in.