Chumunga Senior Member Joined: 20 Dec 2012 Posts: 7 Location: San Jose, ca Expertise: I like coffee
Espresso: Gaggia classic
Posted Thu Feb 7, 2013, 8:45pm Subject: Gaggia Classic (silvia steam wand): Steam wand spews water out as I steam.
I was hoping I could get some light on this matter on my Gaggia Classic with silvia steam wand update. When ever I attemp to steam I cant get micro foam I have a Bellman Stove top steamer and i can definitely get micro foam on that. Upon inspecting I notice even after I purge my steam wand and let out all the steam into a frothing picture I get about a little over a half of OZ of water. Is this normal???
I make several attempts, but no matter, it seems to spew water out even after few purges, so i assume thats why my milk gets to temp so fast with no texture because the boiling hot water is being added to the milk.
What I have done to attempt to remedy this is; -checked the Steam Thermostat with a multi meter and a thermometer on the boiler and the boiler gets to about 300F before the Steam-stat opens (or stops boiling) I was told so long as the steam thermostat reachs at minimum 260f the Tstat is good (I ordered new thermostat just in case)
-I have descaled both group and steam wand (and worth mentioning I don't have a leaky steam wand when i pull a shot)
So any ideas???
If there is a certain technique or step im missing or am i rushing? I assume once the steam ligh is on and my thermometer tells me my boiler is at over 300F the water in the boiler is generally should be all steam.
D4F Senior Member Joined: 15 Mar 2012 Posts: 1,897 Location: USA Expertise: I like coffee
Espresso: Gaggia Classic PID Grinder: Preciso
Posted Thu Feb 7, 2013, 9:14pm Subject: Re: Gaggia Classic (silvia steam wand): Steam wand spews water out as I steam.
I also have a Classic with Silvia wand. I have to purge a bit before I can get fairly dry steam. I purge into a container and I have not measured, but get perhaps 15 - 20 cc of water in sputter. If you shut off the steam for long, then the wand gets below steam temperature and can let some liquid form.
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