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E3D V6 Hot End UM2+

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Posted · E3D V6 Hot End UM2+

Good evening,


i dont know if this has been done before or if it is even worth it. Is it possible to swap the UM2+ hot end with an E3D V6 hot end? I’m looking to upgrade the extruder with a bond tech qr extruder and was curious if the v6 is a worthwhile upgrade.


thank you,



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    Posted · E3D V6 Hot End UM2+

    I don't recommend this unless you plan to never print PLA.  If you get the 1.75mm version I'm told it has some teflon in it and this is great.  But I hear the 3mm version of the e3dv6 is all metal which really sucks with pla.  I've heard other people say the same thing - e3dv6 is great for ABS and such but not for PLA.  PLA will stick to metal and cause you all kinds of jams and headaches.


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    Posted · E3D V6 Hot End UM2+

    I was thinking if I was going to go with a v6 I would go with the 1.75 version. I have a number of printers and they are all 1.75. The UM is my only 2.85 and I don’t have nearly as much as I have 1.75 filament. Just trying to make it consistent across all my printers. 

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    Posted · E3D V6 Hot End UM2+

    AFAIK the E3Dv6 1.75mm is still an all-metal hot-end. The one with PTFE is the E3Dv6Lite.

    But from what I have read/heard the 1.75mm version of the E3Dv6 has far less issues with PLA than the 3mm version.

    Prusa switched from the v6Lite to the full v6 in Mk2 and everyone seem to be printing PLA fine with it :)

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    Posted · E3D V6 Hot End UM2+

    The difference between the E3d v6 1.75 mm and E3d lite6 1.75 mm is shown in this picture:


    On the v6 there's a PTFE tube which goes through the heat sink and stops in the heat break.

    On the lite6 that PTFE tube goes all the way down into the heat block and touches the nozzle.


    If you're looking for reliable PLA printing, the lite6 is probably preferable. The good news is they're interchangeable.

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