You can download heaters manuals here:

• DROP and VOLCANO English manual (pdf file)
• DROPplus and VOLCANOplus English manual (pdf file)

You can download heaters catalogue sheets here:

• DROP catalogue sheet (pdf file)
• VOLCANO catalogue sheet (pdf file)
• DROPplus catalogue sheet (pdf file)
• VOLCANOplus catalogue sheet (pdf file)
• GR heater catalogue sheet (pdf file)
• GR-B heater catalogue sheet (pdf file)
• GR Smart catalogue sheet (pdf file)

CE certificates:

• Download CE certificate for Drop, Dropplus, Volcano, Volcanoplus heaters (pdf file)
• Download CE certificate for GR and GRSmart heaters (pdf file) 
• Download CE certificate for GRB heaters (pdf file)

Download high resolution photos of Hottech heaters (ZIP file 48Mb)