Backflow Preventer With Water Meter and Relief Valve Inlet Threads_NPSH Prevents unwanted damage by suspending Made from high quality Prevents unwanted damage by suspending too much weight off the side of the hydrant The pressure regulator is automatic with an inlet bypass for quick filling and bleeding of the fire hose or system Assembly shall provide protection where a potential health hazard exists Designed for use in measurement of water from a fire hydrant or other nonpermanent installation where flow is in one direction only
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