If 9Barista is left on the cooker for a long time (hours), and has got very hot, a few components will need replacing.
This kit contains a complete set of parts to get your machine up and running again. The items included are listed below:
You will also need a 3mm Allen/hex, and a 13mm spanner/wrench to open the machine up and replace the components. Instructions on how to do this can be found here.