The burner series prefixed by 23 fits the No. 2300 handle. Both series of burner have the same specifications, apart from the connections to the handles. The prefixed 21 series of burners can be adapted to fit the 2300 handle by means of a connector/adaptor P/N 15528.
https://www.bes.co.uk/bullfinch-no-2305-general-purpose-burner-15532/36880Bullfinch No. 2305 General Purpose Burnerhttps://www.bes.co.uk/media/catalog/product/b/u/bullfinch-no-2305-general-purpose-burner_min_15532_P_1.jpg31.3731.37GBPInStock/Our Brands/Bullfinch/Tools & Equipment/Tools/Plumbing & Heating/Soldering & Brazing437848The burner series prefixed by 23 fits the No. 2300 handle. Both series of burner have the same specifications, apart from the connections to the handles. The prefixed 21 series of burners can be adapted to fit the 2300 handle by means of a connector/adaptor P/N 15528.Bullfinch00https://www.bes.co.uk/media/catalog/product/b/u/bullfinch-no-2305-general-purpose-burner_min_15532_L_1.jpg5060021490186add-to-cartfacet_type:Burnerspecial_price:31.370000more_sizes:15529,15530,15531,15533products_related:15528,20228,20229,6885,6886,8275,21661,16389,13928,15477,21385,21439sku:15532Burner15529,15530,15531,1553315528,20228,20229,6885,6886,8275,21661,16389,13928,15477,21385,214391553231.370000No{"Brand":"Bullfinch","Standards":"Supplied by a BS EN ISO 9001 registered company","Sub Brand":"Autotorch","Suitable Application":"General Purpose Flame","Torch Type":"Propane","Type":"Burner"}Bullfinch