Additional InformationASSE 1013-2011|AWWA C511|CSA B64.4|Federal Public Law 111-380|NSF/ANSI 61 Water Quality|NSF/ANSI 372
Marketing InformationThe Apollo® model DC4A and DCLF4A Series lead-free and non-lead-free double check valves prevent contamination of the potable water supply due to back siphonage or back pressure from substances that are objectionable to the potable water supply, but non-health hazards. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This made in America assembly features ball valve shut-off with stainless steel handles and nuts as standard and carries the 5 years Apollo® factory warranty.