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The Apollo® Model RP4A and RPLF4A Lead Freer Reduced Pressure Backflow Preventer A Series provide maximum protection of the potable water supply due to the back-siphonage or back-pressure from substances that are hazardous to the potable water supply. 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 shutoffs with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty.
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