Backflow Prevention Assemblies April 19, 2013 Watts adds two lead-free backflow prevention products: LF919, reduced-pressure zone assembly, and LF719 (pictured), double-check valve assembly.Read More
Strainer or No Strainer? Stuart Asay, P.E January 3, 2008 For years, members of the backflow prevention industry have debated the value of strainers at the inlet of an assembly’s installation.Read More
Backflow Testing in California John Fultz March 1, 2004 Backflow testing does not require a plumbing license in California, but some contractors say it should.Read More
