The Fluidmaster B3H18 18 in. Water Heater Connector is a top solution when replacing your water heater supply line. With exceptional flexibility that resisting kinking and creasing even in tight spaces, and easy grip nickel plated brass hex nuts, installation is fast and easy. This replacement water heater connector fits 3/4 in. M.I.P. x 3/4 in. F.I.P. connections. Designed to be a high quality replacement part this water heater connector comes with a 5 year warranty. Featuring a durable braided stainless steel build, and nickel plated heavy duty brass hex nuts. Replace and upgrade old, creased, or problem water heater connectors with a quality you can trust. Lead free and meeting all code requirements. Upgrade your water heater supply line now, to a Fluidmaster Connector.