Geeetech

So I purchased a GT6
http://www.geeetech.com/assembled-jietai-gt6-extruder-p-825.html

I unfortunately received the 1.75 mm version. Geeetech staff sent me the parts to turn a 1.75mm unit into a 3mm unit. (Body, nozzle, throat, throat liner)

I changed out the new parts... it heats up... I can read ...