Note: Your own 3D Printer setup and filament choice will have an effect on the maximum VFR you can achieve so bear this in mind when referring to these values.

Zodiac Nozzle Hot Tightening Guide

Using the onboard LCD or web interface heat the assembly 20°C above the print temperature you will be using. Wait roughly a minute at temperature to allow the different materials to equalise in temperature. 

Using a 7mm spanner and an adjustable wrench tightening the unit.

You are aiming for 2Nm of torque here; if you apply too much pressure at this stage, you will risk shearing either the nozzle or HeatBreak. If you are concerned, we recommend the use of a torque wrench set to 2Nm.