the 2-1/2” – 12” backflow preventer shall be an Apollo model DCLF4A lead free* double check valve. the assembly shall be manufactured in america and carry a 5-year 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” – 6”) or stainless steel studs & nuts (8” – 12”). access to the check valves shall be by an Apollo quick-connect stainless steel coupling (2-1/2” – 6”) or grooved couplings (8” – 12”). the bodies shall be stainless steel in 2-1/2” – 8” sizes and FDA epoxy coated ductile iron in 10” & 12” 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 backpressure from substances that are non-health hazards. the pressure drop across the assembly shall be documented by ASSE or USC FCCC&HR approval curves.

• domestic stainless steel body: 2-1/2"-8"
• FDA epoxy coated ductile iron body: 10" & 12"
• easy maintenance: no special tools required
• snap-in check retainers: 2-1/2"-6"
• bolted-in checks: 8"-12"
• 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
• lead free standard
• US patent Nos. 6,443,184; 7,025,085; 7,533,699
• 5 year warranty