Below are photo instructions for removing a pressure stat on Pro 300. This is useful if the machine is starting to have varied max steam boiler pressures or if the machines ceases to heat. Before doing this we recommend unplugging the machine and allowing it to fully cool off. Tools required:
- 2.5mm allen wrench
Before doing this you will need to remove the top panel - instructions here.
When reinstalling a pressure stat be sure to apply PTFE tape to the threads on the bottom of the pressure stat.