- Reliable Water Inlet for RVs: This water inlet features a built-in check valve, ensuring a secure connection with a 3/4 inch NH internal thread (GHT) and a 1/2 inch NPT external thread. It is designed with a 3-inch flange and includes a replaceable, flexible rubber dust cap for added protection. - Durable Construction: The valve body is made from lead-free brass, making it safe for drinking water. The white flange is constructed from high-strength plastic, offering resistance to high pressure, extreme temperatures, corrosion, and frequent use. - Easy Installation: This check valve is specifically designed for the fresh water systems in RVs, providing a backflow-free and eco-friendly solution. The rubber cover safeguards the connection points from dust and debris, ensuring clean water access. - Versatile Application: Ideal for use in trailers, boats, and RVs, this city water connection flange prevents contamination and simplifies the process of connecting and disconnecting hoses. The user-friendly knob allows for effortless operation. - Practical Use Cases: 1. Ideal for RV enthusiasts needing a reliable water source during camping trips. 2. Perfect for boaters requiring a secure water connection while docked. 3. Useful for trailers needing a durable and contamination-proof water inlet for city water supply. This water inlet is designed to meet your fresh water needs while ensuring safety and durability for all your outdoor adventures.