858
Discontinued
Double Check Detector Assembly Backflow Preventers
Series 858 Double Check Detector Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They are used primarily on fire sprinkler and standpipe systems requiring detection of unauthorized water use. They feature a cast iron body and resilient seated OSY shutoff valves. Maximum Operating Pressure: 175psi (12.1 bar).
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific 858
No results found
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.