Check Valve, G1/2" Male to G1/2" Female Thread Toilet Check Valves 201 Stainless Steel One Way Valve for Preventing Backflow, 3/4" (20mm) Diameter

Feature: Standard Thread: The galvanized check valve made of copper or stainless steel has a diameter of 20mm, thread with standard G 1/2" quot; female or male wires, fine workmanship, bright wires that basically fit most water towers, water heaters and toilet lines. 【Function】 The 3/4" quot; (20mm)-G1/2"quot; female or external thread valve is a one-way flow valve. When this valve is installed, water can only flow in one direction, and when the flow switch is closed, the water will not flow in the opposite direction, effectively preventing dirty water from flowing backwards. Quick connection: The one-way backflow prevention hose valve comes with seals, which are very easy to install in just a few steps: first remove the old valve (if there is one), then connect the valves to the water pipes on both ends, finally tighten the connectors to ensure that there are no leaks. 【Material】The check valve is made of high-quality galvanized copper or stainless steel, which has good corrosion resistance, sealing, plus adapters do not rust easily and you don't have to worry about pollution, you can use this connector with confidence. 【Wide Application】3/4"quot; (20mm)-G1/2"quot; female or external thread valve can be used in homes, kitchen faucet, water tower, water heater and toilet pipeline, installation fittings for solar water heater and other water pipe connections, to prevent water leakage and backflow, practical and convenient. Specification: Name: 3/4" quot; (20mm)-G1/2" quot; Female or male thread backflow prevention valve Fashion: Unidirectional Nominal diameter: 3/4" quot; (20mm) Thread: G1/2" quot; Female or male thread Package Contents: 1 * 3/4"quot; (20mm)-G1/2"quot; Female or male thread backflow prevention valve