New Londinium R - Page 6

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mfortin
Posts: 246
Joined: 11 years ago

#51: Post by mfortin »

Paul_Pratt wrote:Dual boiler. Brew boiler bolted to the lever group was open to line pressure up to the 5 bars my mains pressure provided if required. Was eventually turned way back down to a ore traditional 1 - 1.3 bar. Steam boiler is totally isolated and at a standard 1.3 bar.
May I ask what coffee roast level were you using? According to Londinium blog, higher pre infusion pressure would only be beneficial at light roast.
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