Rura powrotna 70 110 Zespół zaworu wydechowego De Dietrich 7699414

The return tube 70 110 exc assy is a pre-assembled return line component designed for specific heat exchanger models, likely in the 70-110kW range. It channels cooled fluid back to the heat source, completing the circulation loop. Ideal for boiler spare parts replacement, this assembly helps maintain proper flow and heat exchange efficiency.