Kissler & Company Inc. 88-4018 Braided Water Heater Connector, 3/4-Inch F by 3/4-Inch F by 18-Inch, Stainless Steel This is a stainless steel hot water heater connector This connector is 18" long and will not rust 3/4" F x 3/4" F x 18" Large inside diameter to allow maximum water flow