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857
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Series 857 Double Check Valve Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature an epoxy coated iron body and compact design. Maximum Working Pressure: 175psi (12.1 bar).
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.
Literature
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Select options below to identify the UPC, Order Code, and Repair Kit for a specific 857