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City of Lincoln
Cross Connection Control Program

Approved Assemblies


2012 Approved Assemblies

Double Check Valve Backflow Prevention Assemblies
Name Model Size
Ames 2000 SS (Fire Line Only) 3" thru 12"
Ames Colt 200 2 ½" thru 10"
Ames Colt 200N 2 ½" thru 6"
Conbraco 4-S-100 (Model DC) 2 ½" thru 10"
Conbraco 40-100 ½" thru 10"
Febco 850 ½" thru 8"
Febco 850 Standard 2 ½" thru 8"
Febco 870 N or V Shape 2 ½" thru 10"
Watts 709 3" thru 10"
Watts 757 2 ½" thru 10"
Watts 757N 2 ½" thru 6"
Watts 757BFG 2 ½" thru 8"
Watts 007 M2-QT ½" thru 3"
Watts 007 M3-QT ½" thru 3"
Watts 719 QT ½" thru 2"
Wilkins 950 ¾" thru 2"
Wilkins 350 ¾" thru 10"
Double Check Valve Backflow Prevention Assemblies Approved in Vertical Installations
(For Fire Sprinklers Only)
Name Model Size
Ames C200 2½" thru 10"
Conbraco 4-S-100 2½" thru 8"
Watts 709 4" thru 10"
Watts 007 M2 1¼" and 1½"
Watts 719 ½" thru 2"
Watts 757 2½" thru 10"
Wilkins 350 2½" thru 10"
Reduced Pressure Principle Assemblies
Name Model Size
Ames C-400 2½" thru 8"
Conbraco 40-200 ½" thru 10"
Febco 825Y ¾" thru 2"
Febco 860 ½" thru 10"
Febco 880 N or V Shape 2½" thru 10"
Watts 909 ¾" thru 10"
Watts 919 QT ¾" thru 2"
Watts 009 M2-QT ½" thru 3"
Watts 009 M3-QT ½" thru 3"
Watts 957 2½" thru 8"
Wilkins 975XL ¼" thru 2"
Wilkins 975 ¾" thru 2"
Wilkins 375 ¾" thru 8"
Pressure Vacuum Breakers
Name Model Size
Conbraco 40-500 ½" thru 2"
Febco 765 ½" thru 2"
Watts 800 QT ½" thru 2"
Wilkins 720 A ½" thru 2"
Sanitary Yard Hydrant (Must meet ASSE #1057 Standard)
Name Model Size
Freeze Flow Executive & Standard (ADA) 1"
Murdock NP-75 & NPL-75 ¾"
Woodford S3 & S4H ¾"
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Cross Connection Control Program