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Description
One Direction Water Flow: Allows water to flow only in one direction— towards your RV’s hot water heater; it does not allow water to pass another way.Stops Backflow: Helps stop backflow from your water heater and into your freshwater system.Fitting Dimension: ½-inch male x female NPT.Durable Construction: Heavy-duty brass body with a stainless spring.Quantity: (1) backflow preventer