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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, such as eBay or Aliexpress 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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