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Micro Swiss cooling block upgrade for Wanhao i3


Item number 2673

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Wanhao i3 Slotted cooling block

WANHAO i3 All Metal Hotend w/ Slotted Cooling Block, Step by Step Installation Instructions.

This is redesigned cooling block for Wanhao i3 with the following improvements:

  • Slotted Clamping system
  • No set screw to ding and damage thermal tube
  • Significantly better heat transfer (this is a big one!!!)
  • Easier disassemble and adjustments
  • Tight control on bore diameter

This cooling block will work with original PTFE lined hotend, and with our Micro Swiss MK10 Allmetal Hotend kit.