Genuine OEM Citroen Heater Water Pipe, part number 9830799280. This pipe is a vital component of the vehicle's heating and cooling system, specifically designed to transport hot water from the engine to the heater core. This process enables the cabin heating function, providing warmth to the vehicle interior. Using a genuine OEM heater water pipe ensures the correct material composition for high-temperature resistance, precise routing, and secure connections, preventing leaks and maintaining the efficiency of the heating system.