Backflush with plain water: La Spaziale S1 Mini Vivaldi, La Spaziale S1 Vivaldi II and Lucca A53 Direct Mini

Before you start

Applies when

pump machine with a 3-way solenoid valve and a non-E61 group (saturated, La Spaziale-style or compact 58 mm group)

Tools

blind (backflush) basket or disk, portafilter

Supplies

None listed

Steps

1. Fit the blind basket in the portafilter and add no detergent.

   From the manual: “If you are just doing a daily/weekly water backflush, do not add detergent.”

2. Lock the portafilter into the group.

   From the manual: “Lock your portafilter into the group head.”

3. Run the brew cycle for 10 seconds, then stop it so the pressure vents through the valve.

   From the manual: “Activate the brew cycle for 10 seconds and allow the machine to release pressure.”

4. Do the on/off cycle 5 to 8 times. Repeat 5-8 times

   From the manual: “Repeat 5-8 times, depending on how dirty your group head is.”

5. Take the portafilter out, run the group and rinse the portafilter in the stream, then stop.

   From the manual: “Activate the brew cycle and rinse portafilter in a stream of water from the group head.”

Sources

• Clive Coffee Help Center: How to clean and backflush (non-E61 group head) espresso machines Retailer

Researched on 2026-09-23.

Community: the maker’s text, hosted somewhere else, usually by a retailer.

Applies to

• La Spaziale S1 Mini Vivaldi
• La Spaziale S1 Vivaldi II
• Lucca A53 Direct Mini