6b20f99c_id_Settings___Coffeetime_Extra__Comments
[PID Settings] P=1.4 I=0.01 D=4.4 [Profile] Preheat On (Steam Boiler On - conservative) [Comments] 
With steam boiler on (preheat enabled) these settings work extremely well. Recovery is good, although a bit slower than defaults or even the preheat disabled settngs above. However, even with preheat enabled overshoots are virtually non-existant (and would never be more than 1C). These settings also work adequately with preheat off, but I have found that the boiler can suffer a fair drop in temperature, perhaps 3-4C, even during a single shot. Don't worry, it makes no (noticeable) difference to the quality of the shot, and of course does not happen with preheat on.
Izzo Alex Duetto Pid Settings - Coffeetime Extra
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