From 12-8-2022 until 5-9-2022 there will be no repairs due to the holiday period.
For emergencies we have a limited number of loaner devices available.
Koltec has skilled technical employees, who take care of the
repair of broken devices, but also develop new devices. Because
this is in one hand, the experience of end users is used to develop
All devices shown on the website can be repaired by KOLTEC.
Below you will find a list of devices that are out of production but are still repairable:
MiniGard XXP not digital
Powergard old model nr. 160-81074
Powergard XP not digital
Vulcan SE250,only repair on the printed circuitboard possible
Vulcan SE425 model with yellow and lightbrown hood
MiniGard II Prof
HS50 en HS50 Solar-set
Below is a list of devices that are out of production for more than 10 years making it economically and technically no longer responsible to be repaired.
Dragon Euro 12
ES10 until the production year 2012
ES 20 Super
ST, with brown (non transparant) pertinax plate and porcelain insulators