The burner series prefixed by 21 (shown here) fits the No. 2100 handle. This series of burner have right handed threads and cannot be fitted to the autotorch brazing handle. The prefixed 21 series of burners can be adapted to fit the 2300 handle by means of a connector/adaptor P/N 15528. No. 2102 fine flame.
https://www.bes.co.uk/bullfinch-no-2102-fine-flame-burner-12584/44538Bullfinch No. 2102 Fine Flame Burnerhttps://www.bes.co.uk/media/catalog/product/b/u/bullfinch-no-2102-fine-flame-burner_min_12584_P_1.jpg31.3731.37GBPInStock/Our Brands/Bullfinch/Tools & Equipment/Tools/Plumbing & Heating/Soldering & Brazing4378481281593109653The burner series prefixed by 21 (shown here) fits the No. 2100 handle. This series of burner have right handed threads and cannot be fitted to the autotorch brazing handle. The prefixed 21 series of burners can be adapted to fit the 2300 handle by means of a connector/adaptor P/N 15528. <br>No. 2102 fine flame.Bullfinch00https://www.bes.co.uk/media/catalog/product/b/u/bullfinch-no-2102-fine-flame-burner_min_12584_L_1.jpg5060021491343add-to-cartfacet_type:Burnerspecial_price:31.370000more_sizes:12585,12586,12587products_related:15528,20228,20229,6885,6886,8275,21661,16389,13928,15477,21385,21439sku:12584Burner12585,12586,1258715528,20228,20229,6885,6886,8275,21661,16389,13928,15477,21385,214391258431.370000No{"Brand":"Bullfinch","Standards":"Supplied by a BS EN ISO 9001 registered company","Sub Brand":"Autotorch","Suitable Application":"Fine Flame","Torch Type":"Propane","Type":"Burner"}Bullfinch