Profitec Pro 800 Lever w/PID - Page 11

#101: Post by **buddman** » July 22nd, 2016, 2:37 pm

Whole Latte Love posted a review of the Profitec Pro 800 showing some of the internals.

#102: Post by **BartG** » July 22nd, 2016, 3:13 pm

Thanks for the link! This is an interesting overview.

I wonder how temp stable the grouphead is, and how long it would take to warm up.
A comparison with the Strega and Londinium would also be nice

#103: Post by **JohnB.** » July 22nd, 2016, 3:42 pm

BartG wrote:I wonder how temp stable the grouphead is, and how long it would take to warm up.
A comparison with the Strega and Londinium would also be nice

Since it's a dipper & uses the same basic group I'd imagine that it's pretty similar to my Bosco Sorrento. The group isn't fully up to temp until the upper end of the lever handle is pretty much too hot to hold. This takes between 1-1.5 hours. Boiler is up to temp much sooner but your shot water will be much cooler then when the group is fully heated.

The group will lose some heat while idle. If it behaves the same as my Sorrento once fully up to temp a shot with no flush would get you a peak brew temp of 198°F, a 2 second flush before that shot would get you a peak brew temp of 201°F. This assumes a p'stat setting in the 1.2-1.25 bar range & a room temp in the mid 70'sF.

#104: Post by **Javier** » July 25th, 2016, 9:20 pm

JohnB. wrote: If it behaves the same as my Sorrento once fully up to temp a shot with no flush would get you a peak brew temp of 198°F, a 2 second flush before that shot would get you a peak brew temp of 201°F. This assumes a p'stat setting in the 1.2-1.25 bar range & a room temp in the mid 70'sF.

If only Profitec would provide further information about the connection of the boiler to the main frame. Is there a reservoir (of sorts) at that connection (similar to the one in Bosco machines)?

July 25th, 2016, 10:31 pm

I'd be surprised if anyone in the US has installed one of these machines yet, so you'll probably have to ask Profitec. Or give Mark Jackson at WLL a call; he may know.

#106: Post by **samuellaw178** » July 25th, 2016, 10:36 pm

From looking at the video, I'm quite sure there's no special reservoir like a Bosco. The boiler neck looks similar to my Brugnetti Aurora - which is just a brass/copper neck brazed onto the copper boiler. I imagine there's a tube that draws water from the boiler, and that tube connects directly to the group head (most dipper config group head already has an existing threaded hole at the back for attaching tube, it doesn't make sense not to use it).

The heat up time is almost certainly around 45 min -1 hour, not 1.5 hour because the group is connected directly to the boiler (and maybe the neck area is steam saturated too to help warm up, but that's just a wild guess), with just a gasket sandwiched in between. This gasket design (material & thickness) will be the key to determine if the machine overheats - it doesn't appear so.

This is how Brugnetti Aurora's boiler looks like (credit to Andyone posted in https://www.kaffee-netz.de/threads/rest ... tti.20634/)

Pro800:

It even has the casted port on the neck, but not tapped/drilled:

This is my guess how it looks like :

#107: Post by **dominico** » August 1st, 2016, 8:10 pm

Discussion about dippers in general has been moved here: Temperature Management on Dipper Levers

January 10th, 2017, 1:00 pm

So, who has picked up one of these machines? I've had one in my kitchen for just under a week. So far, I love it. It certainly outpaces my current ability as a home barista.

I'm trying to learn more about the PID and how changing the boiler pressure changes the water temperature at the group head. Its default setting was 248F. Anyone have comments on that being too low/high?

#109: Post by **dolemiike** » January 10th, 2017, 4:28 pm

Hey John

That is one sexy looking machine. Mine shows up on Monday. I'll post a picture here when it does.

January 10th, 2017, 5:00 pm

Dan Kehn is in the midst of a Profitec 800 review. See this topic for more details.