Apollo Valves APXCSST1834 Corrugated Connector, 3/4 x 3/4 in, PEX Barb x FHT, Stainless Steel, Metallic, 18 in L

The 3/4 x 18 in Apollo PEX corrugated stainless steel water heater connector was designed for the fast and simple installation of hot and cold water lines to water heaters using PEX connections. After applying pipe thread tape to the MNPT nipples on your water heater, thread the FNPT end of the water heater connector onto the tank and tighten with pliers. Then simply connect to PEX using copper crimp rings, stainless steel pinch clamps or stainless steel sleeves and your water heater is connected.