The Fluidmaster B1H18 18 in. Water Heater Connector is a top choice when replacing your water heater supply line. Installation is fast and easy, with easy grip brass hex nuts, and exceptional flexibility that resists kinks or creases in the tightest spaces. This replacement water heater connector fits 3/4 in. F.I.P. x 3/4 in. F.I.P. connections. Designed with quality in mind this water heater connector showcases a 5 year warranty, durable braided stainless steel materials, and nickel plated heavy duty brass hex nuts. Replace 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.