Tubo de retorno de calefacción De Dietrich 7219219

The heating return tube carries cooler water from the heating circuit back to the boiler for reheating. This tube is part of the primary loop and must withstand continuous water flow and temperature changes. A compromised return tube can cause leaks and reduce system efficiency. When replacing, select a tube with the correct diameter and material to ensure a secure fit and long-lasting performance in your heating system.