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Table of Contents
Hot End Parts and Maintenance
Bowden Coupler ("Pneumatic coupler")
The bowden coupler used on the hot end is a M8 threaded coupler, to hold the 4mm bowden tube. You can find these on ebay by searching for the keywords “PC4 M8 pneumatic”. Note: The thread required is a 1mm thread pitch (“fine thread M8”) NOT the 1.25mm thread. Example of correct item to buy (no endorsement): ebay link
Photo credit: Jarek Ostaszewski via Facebook
Nozzle
The nozzle is a standard M6 thread nozzle, as commonly used in many printers. You can buy nozzles from many places, provided they are an m6 thread. These includes e3d V6-compatible nozzles, or mk8-compatible nozzles.
You can buy some high quality nozzles from places like:
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