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Mk3S+ to MK4S upgrade kit Nextruder Nozzle  

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mc_ott
(@mc_ott)
Active Member
Mk3S+ to MK4S upgrade kit Nextruder Nozzle

I received beginning of the month the MK3S+ to MK4S upgrade kit and installed it. How do I know if the Nextruder nozzle that came with my upgrade kit is the regular flow of the high flow one? It is my understanding that MMU3 and MK4S, works best if the Nextruder has a regular flow nozzle (better filament tip forming). Is there a visible way to differentiate the Nextruder high flow nozzle from the regular flow nozzle? 

Thanks in advance

Posted : 20/08/2025 7:32 am
FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Mk3S+ to MK4S upgrade kit Nextruder Nozzle

It should say it on the shaft of the nozzle.

Formerly known on this forum as @fuchsr -- https://foxrun3d.com/

Posted : 20/08/2025 12:32 pm
mc_ott
(@mc_ott)
Active Member
Topic starter answered:
RE: Mk3S+ to MK4S upgrade kit Nextruder Nozzle

I did not pay attention to the markings on the shaft when I was assembling the Nextruder. I checked it today and it says CHT. I'll order a regular nozzle before attaching the MMU3. 

Thanks,

Posted : 21/08/2025 3:16 am
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