Brand new vailllant gas valve sealed slight tatty box , no disturbed seals! Part number 0020035222. This gas valve fits vaillant ecotec plus 415,418,428,438. I hope this helps :)
vaillant gas section 0020035222
Vaillant Gas Valve Section (0020110996)
Vaillant Gas Valve 0020110999 Brand New Sealed , Ecomax 0020110999
Vaillant Gas Valve Section Replacement Part MPN 0020110996
Honeywell Type: VK8115V 1036 4 Gas Valve - Vaillant Ecotec Plus
