It is working very well for me:
http://www.ebay.co.uk/itm/MONUMENT-3450G-ROTHENBERGER-SUPERFIRE-STYLE-PLUMBERS-SOLDERING-BRAZING-TORCH-/110982573155?pt=UK_DIY_Materials_Plumbing_MJ&var=&hash=item19d713ac63
and...
I will need to boil frames with washing soda. Any good?
http://www.ebay.co.uk/itm/Multifunction-Steam-Boiler-NEW-/271022000154?pt=UK_Pet_Supplies_Bee_Keeping&hash=item3f1a2b881a