Re: Never heard of it: OK-so-so starter machine for someone?
- From: "Jack Denver" <nunuvyer@xxxxxxxxxxxx>
- Date: Mon, 28 Aug 2006 16:22:40 -0400
Visit www.coffeegeek.com for lots more info.
A thermoblock is a block of metal made hot by an electric heating element,
with a convoluted passage thru which water flows - cold water is pumped in
one end and emerges as hot water. To make steam you pulse the pump on and
off to force just a dropful of water at a time into the block, which
flashes to steam. The selector knob on the front of the machine redirects
the output of the block from the brew head to the steam wand. Any machine
with a rotary selector knob front and center is a thermoblock.
The alternative is a boiler - a small vessel that preheats at least enough
water to complete a shot - that way you don't have to heat the water "on the
fly" during the brief period the pump is running. In steam mode the boiler
is heated even more and fills with steam. An example of such a good but
relatively inexpensive boiler machine would be a Gaggia Espresso.
"Tom" <tjwitman@xxxxxxxxxxxxx> wrote in message
news:uPHIg.1682$ry2.1065@xxxxxxxxxxxxxxxxxxxxxxxxx
OK, I'm confused!!! What exactly is a 'thermoblock' and what are the
better alternatives to heating the water??? What machines have this
better system?
Tom
.
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