Which one doesn’t sound correct ? Grill element being centre fixing which is the part number that you’ve given. or the base element which should also be centre fixing if it’s a TFA10GBR34 (which is the grill element part number you’ve supplied) as you’ve not got the full model number I can only guess and the only model listed or ever made by TEBA (unless my complete drawings from the TEBA factory are incorrect) with 10GBR34 is as I’ve stated a TFA model.And as there is a pre 2003 model the elements are the same carried over