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The Watts 774DCDA-DOSY-GPM 6 is a 6" double check detector assembly (DCDA), approved for low health hazard protection. It features a stainless body. Rated to 175 psi and 33°F to 110°F.
This 6 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply.
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