Clear water backflush: Sage Dual Boiler

Before you start

Market

Sage UK/EU

Tools

cleaning disc (supplied), 1 cup filter basket

Supplies

None listed

Steps

1. Put the cleaning disc into the 1 cup filter basket.

   From the manual: “Insert the cleaning disc into the 1 cup filter basket.”

2. Lock the portafilter into the group head.

   From the manual: “Insert portafilter into the group head.”

3. Press 1 CUP so pressure builds against the disc.

   From the manual: “Press the 1 CUP button to build pressure in the basket.”

4. Do this several times to rinse coffee oils out of the espresso water paths. Repeat several times

   From the manual: “Repeat several times to remove residual coffee oils in the espresso water paths.”

Sources

• Sage the Dual Boiler BES920 instruction booklet (UK, EN) Manual

Researched on 2026-09-23.

Published: the sentence is on the maker’s own page or in the maker’s own document.

Applies to

• Sage Dual Boiler