A Viessmann return house with retaining clips, nuts, cable ties and fibre washers for the heat exchanger of Vitodens boilers. The heat exchanger transfers heat from a boiler's burner to water. A primary heat exchanger is found in all boilers, using heat from a burner to raise the temperature of the water in the system, while a secondary heat exchanger is present only in combis and allows the heat to be transferred between closed systems.
Fits multiple appliances
For use in specific Vitodens domestic boilers
Supplied with two retaining clips. 3 nuts, cable tie and one fibre washer
Heating return hose
Technical specification
Waist Sizeaa45ch12gvERP RatingNot ApplicableSupplier Part Number7828637Brand NameViessmann