This is an Engineer’s pack of five (5) Vaillant Gasket Kits 0020038679
Vaillant 0020038679 Gasket Kit x 5 – Gas Engineer’s Pack Of 5 Gasket Kits
Perfect for a Gas Safe Engineer regularly servicing Vaillant boilers.
Vaillant Part number 0020038679
https://www.trustapart.co.uk/product/vaillant-sealing-gasket-0020038679-x5/