Steam Boiler Maintenance

LUCCA A53 Mini / Mini Vivaldi: Replacing Safety Valve

Below you will find instructions for replacing the 3/8" safety valve on the La Spaziale LUCCA A53 Mini espresso machine.

Tools Needed:

  • Phillips Screwdriver
  • 2 Adjustable Wrenches

1. Remove the panels of the machine

2. The safety valve is located behind the water tank.

3. Using 2 wrenches, hold the top nut in place and remove the safety valve with the second wrench.

4. Before installing the new safety valve, wrap the threads with PTFE tape to create a better seal.