NSF Product and Service Listings

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Drinking Water System Components - Health Effects

NOTE: Unless otherwise indicated for Materials, Certification is only for the Water Contact Material shown in the Listing. Click here for a list of Abbreviations used in these Listings. Click here for the definitions of Water Contact Temperatures denoted in these Listings.

FEBCO, a Watts Regulator Co. Division 
815 Chestnut Street
North Andover, MA 01845 
United States 

Facility : Woodland, CA

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Backflow Preventers [G]
750-X-YY-ZZ-TT[1] 2 1/2" - 10" CLD 23 MLTPL
760-X-YY-ZZ-TT[1] 2 1/2" - 10" CLD 23 MLTPL

[1] X - Valve pattern 
        Blank - Straight 
        N - N pattern 
        Z - Z pattern 
    YY - Backflow shutoff designation: where 2 per units may be mixed like NRS x PIV 
         DNRS - Domestic Non-Rising Stem Gate 
         DPIV - Domestic Post Indicator Gate 
         DOSY - Domestic Outside Stem and Yoke Gate 
         BFG  - Butterfly 
    ZZ - Inlet and outlet connections 
         Blank - Flange by flange 
         FxG   -  Flange by groove 
         GxF   - Groove by flange 
         GxG   - Groove by groove 
    TT - Strainer options 
         Blank - No strainer 
         S - Strainer 77F-DI-FDA-125
[G] Product is Certified to NSF/ANSI 372 and conforms with the lead content requirements for
    “lead free” plumbing as defined by California, Vermont, Maryland, and Louisiana state
    laws and the U.S. Safe Drinking Water Act.


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