ASSE 1015-2011|AWWA C510|CSA B64.5|FM Approved|NSF/ANSI 61 Water Quality|NSF/ANSI 372|UL Listed|ULC Listed

• Domestic stainless steel body - 2-1/2 to 8 in FDA epoxy-coated ductile iron body - 10 and 12 in Easy maintenance - no special tools required Snap-in check retainers - 2-1/2 to 6 in Bolted-in checks - 8 to 12 in Low pressure loss as documented by an independent approval laboratory Center stem guided TriForce™ check valves Approved for horizontal and vertical Up-flow Chloramine-resistant elastomers Low-lead compliant

The 2-1/2 to 12 in backflow preventer shall be an Apollo® model DCLF4A lead-free double check valve. the assembly shall be manufactured in America and carry a 5 years Apollo® factory warranty. the TriForce™ center stem guided check valves shall feature reversible silicone rubber seat discs. the check valves shall be held in place by stainless steel snap-in retainers (2-1/2 to 6 in) or stainless steel studs and nuts (8 to 12 in). access to the check valves shall be by an Apollo® quick-connect stainless steel coupling (2-1/2 to 6 in) or grooved couplings (8 to 12 in). the bodies shall be stainless steel in 2-1/2 to 8 in sizes and FDA epoxy-coated ductile iron in 10 and 12 in sizes. the lead-free Apollo® ball valve test cocks shall have stainless steel handles. the assembly shall prevent contamination of the potable water supply due to back siphonage or back pressure from substances that are non-health hazards. the pressure drop across the assembly shall be documented by ASSE or USC FCCC and HR approval curves.