The Vaillant component is found in the heat exchanger section. There are two different types of heat exchangers that can be present, the primary heat exchanger and the secondary heat exchanger. The primary is found in almost all boilers and allows heat to pass through.
Fits multiple appliances
Technical specification
Waist Sizeab38cf57gzTypeTubeERP RatingNot ApplicableSupplier Part Number22744Brand NameVaillant