Soldering/Welding split lead valleys?

[cotswoldbuilders]

Turbo Set 90 - Advanced Engineering Ltd

advancedengineering.co.uk/uk-vi-product.asp?pid=629

Enlarge Image(32kb) The Turboset is a compact and highly effective brazing kit. It is ideal for plumbing, air conditioning and refrigeration system repairs.

 

[frank999]

Thanks, I assume it creates a smaller hotter flame to weld lead with ... than a propane flame.
I see they do:
http://advancedengineering.co.uk/uk-vi-product.asp?pid=640
I assume thats a single gas model.