The rugged all-steel construction of the instant Hot Tap HP makes it perfect for all-season use. This portable double-burner hot shower system heats unlimited water on demand. Features convenient matchless push-button ignition and includes a sturdy 4-gallon multi-purpose storage case. Battery-operated pump draws water from any source. Runs on 4 D batteries (not included) and 16.4 oz. propane cylinders (not included). Adjust water temperature up to 100ºF with gas valves. Industrial-grade brass hose connectors.