SJM Senior Member Joined: 17 Nov 2004 Posts: 1,728 Location: CA Expertise: I love coffee
Espresso: SAMA (2), Maximatic, Cremina... Grinder: K-10PB, Rancilio MD-50 Vac Pot: no like Drip: no like Roaster: HotTop Huky en route
Posted Fri Jan 10, 2014, 9:19am Subject: Re: What temp should the steam wand be?
When we test the steam stat on a Gaggia, we usually use 240 degrees as a benchmark. And... When the PID on my Gaggia shows that the rising temperature has reached 240, I find that steaming can begin in earnest.
I think it depends on your machine and what you intend to use the wand for. My guess is you have a SBDU, otherwise, you probably have separate hot water and steam wands (and isolated sources ofr the steam/hot water and group water), and wouldn't be asking this question. I'm also guiessing you don't have a pressure gauge. Does your machine have a PID?
There are tables one can use for adjusting steam pressure via boiler temperature. Typically, it's about 255-260F to get the steam pressure up to 1.5 bar, but of course, this depends on altitude as well. I'd agree with above, that you probably want it at or above 240F. However, that would be for steaming and for cup warming. That's just too darn hot for making americanos and tea, for those, most people draw water through the group after it's been adequately flushed.
. Always remember the most important thing is what ends up in your cup!
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