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Gaggia Espresso and temperature of water?
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PBC
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Joined: 31 Dec 2002
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Location: Great White North
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Espresso: Rancilio Silvia
Grinder: Gaggia MDF & Breville...
Posted Sat Nov 27, 2004, 4:57pm
Subject: Gaggia Espresso and temperature of water?
 

I've been testing the temperature of the water after pulling a blank shot of water through the portafilter into a warmed shot glass.

The water gets to about 165-170 degrees.  I've read that it should be in the 195 range, could my machine be on the fritz??

Using the steam function to get a glass of hot water from the wand gives me water in the 180-185 range.

Thanks,

PBC
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kaanage
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Joined: 31 Mar 2004
Posts: 1,452
Location: Melbourne, Australia
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Espresso: Bezerra BZ99, Gaggia...
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Posted Mon Nov 29, 2004, 8:30pm
Subject: Re: Gaggia Espresso and temperature of water?
 

How long are you letting the machine heat up? And try a polystyrene cup as it will not draw so much heat from the water.

Greg

 
do'in it on the cheap
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PBC
Senior Member


Joined: 31 Dec 2002
Posts: 93
Location: Great White North
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Gaggia MDF & Breville...
Posted Sat Dec 4, 2004, 1:33pm
Subject: Re: Gaggia Espresso and temperature of water?
 

Let it warm up for 1 hour or more before I tested it.

I'll try that as well.

Thanks,

PBC
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djmcmath
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Joined: 8 May 2004
Posts: 138
Location: Seattle, WA
Expertise: I love coffee

Espresso: Gaggia Espreso
Grinder: Solis Maestro Plus
Posted Mon Dec 6, 2004, 3:59pm
Subject: Re: Gaggia Espresso and temperature of water?
 

The Gaggia Espresso comes stock with a deadband control system.  Specifically, it has a thermoswitch mounted on the left side of the boiler, about half-way down, that's responsible for turning the heaters on and off at appropriate temps.  It's pretty unlikely that the thermoswitch has failed in such a way to produce coffee 20F below normal.  More likely, it's just a poorly designed system, and you need to go get a PID and wire it up so you can get properly brewed espresso.

But then, I'm up to a grand total of 2 boilers and 3 PIDs for my Gaggia, so it's safe to ignore me.  Either way, I suspect your machine is probably ok, and what you're seeing is just the temp drop because of the inadequacy of the switching mechanism.

Dan
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PBC
Senior Member


Joined: 31 Dec 2002
Posts: 93
Location: Great White North
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Gaggia MDF & Breville...
Posted Mon Dec 6, 2004, 8:12pm
Subject: Re: Gaggia Espresso and temperature of water?
 

A PID??
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JonR10
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JonR10
Joined: 26 Apr 2004
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Location: Houston, Texas
Expertise: I love coffee

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Drip: Technivorm
Roaster: 1-lb US Roaster, Behmor 1600
Posted Mon Dec 6, 2004, 8:24pm
Subject: Re: Gaggia Espresso and temperature of water?
 

These threads may help:

"temperature dilemma and need advice"  

"Temperature of Espresoo In Shot Glass?"

The "PID" is a hi-tech controller ucoffeegeeks use to digitally control boiler temp and also drastically reduce heater deadband.  Folks buy the hardware and install it themselves...

Check it out  HERE and also HERE

 
Jon Rosenthal
Houston, TX
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PBC
Senior Member


Joined: 31 Dec 2002
Posts: 93
Location: Great White North
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Gaggia MDF & Breville...
Posted Tue Dec 7, 2004, 7:13pm
Subject: Re: Gaggia Espresso and temperature of water?
 

I'll skip the PID after seeing that thing!  Heck, my wife has enough issues with my Home Theatre addiction and what a "subwoofer" looks like, if I attach a device like that onto my espresso maker in "her" kitchen she might just stab me!

Thanks for the "temperature dilemna" link.  Wonder if I have to replace the thermostat as indicated in that link?

PBC
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PBC
Senior Member


Joined: 31 Dec 2002
Posts: 93
Location: Great White North
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Gaggia MDF & Breville...
Posted Tue Dec 7, 2004, 7:46pm
Subject: Re: Gaggia Espresso and temperature of water?
 

What's an approximate cost of a thermostat in CDN$ anyhow?  Can't seem to find one at espressotec.com or wholelattelove.com??

Thanks,

PBC
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