Furnace Links

Burners:

Bloom Engineering - http://www.bloomeng.com

Control Valves:

Kromschroeder - http://www.kromschroeder.com

Furnaces:

Bendotti - http://www.bendotti.it
Ingener - http://www.ingener.es

Unit Converter:

Convert 4.10 - http://www.joshmadison.com/software/convert/download.asp