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LF850 Small

Lead Free* Double Check Valve Assemblies - Small Diameter

The FEBCO Series LF850 Lead Free* Double Check Valve Assemblies are designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. Features a lead free body construction, NPT end connections, top mounted test cocks, and quarter turn ball valve shutoffs.


  • Replaceable seats and seat discs
  • Two in-line independent positive seating check modules
  • Compact modular design facilitates easy maintenance with a single access cover for in-line repairs
  • Inline serviceable assembly requires no special tools

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF850 Small

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: