- RV Water Inlet: This water inlet is equipped with a reliable check valve featuring a 3/4" NH female thread (GHT) and a 1/2" NPT male thread. It includes a 3-inch flange and a flexible, replaceable rubber dust plug to ensure secure connections. - High-Quality Materials: Constructed from lead-free brass, the valve body guarantees safe drinking water. The durable plastic flange withstands high pressure, high temperature, and corrosion, ensuring longevity even with frequent use. - Easy Installation: Designed for RV fresh water systems, this check valve is backflow proof and eco-friendly. The rubber cover effectively protects connection points from dust and pollutants, keeping your water supply clean. - Multi-Purpose Use: Ideal for trailers, ships, and RVs, this flange facilitates city water connections while preventing contamination. The easy-grip button simplifies hose attachment and detachment, making it user-friendly. Applications: 1. Perfect for RV owners looking to ensure a steady and safe fresh water supply during trips. 2. Suitable for boaters needing a reliable water connection that prevents backflow and contamination. 3. Great for trailer users who frequently connect to city water sources and require durable, high-performance components.