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1/2" Febco 850 Double Check Valve Assembly (DCVA) backflow assembly. The 850 Master Series devices are a single cover, inline check design. Bronze body, fully testible backflow preventer. Features 1/4 turn, full port ball valves. 1/2" Female NPT inlet/outlet. Checks are a module design that are completely rebuildable.
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Specification Sheet
Maintenance Manual
Winterization Manual