Garden hose fittings are installed on the inlet/outlet pipes. Two standard garden hoses are required to connect to a cold water supply and run the warm water out away from your kettle. Connects easily to a deep sink or hose spigot and can be connected to a standard kitchen sink with and optional adapter. Coil is approximately 7in in diameter, 10in to the top of the coils and 18in to the bend of the inlet/outlet pipes. Fits comfortably in most kettles up to 10 gallons.