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No Burn Steam Arm Problem
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Discussions > Espresso > Machines > No Burn Steam...  
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drfeelgood
Senior Member


Joined: 27 Dec 2003
Posts: 56
Location: Florida
Expertise: I love coffee

Espresso: Alex Duetto II & Isomac...
Grinder: Mazzer Mini Electronic and...
Vac Pot: 12 cup, Melior French Press
Drip: A little pencillin does the...
Roaster: HotTop, Fresh Roast + 8 with...
Posted Wed Aug 22, 2012, 4:13pm
Subject: No Burn Steam Arm Problem
 

I have an Alex Duetto II with the no burn steam arm.

Lately, I've noticed it getting very hot...burning to the touch.

I took it apart and tried to make sure that the sleeve is in the ball joint but this hasn't fixed the problem.

Is there a gasket or some sort of plumbing tape needed?  Or is there something I'm missing?

(Exactly how does it work?  It appears that the sleeve is separated from the metal which acts as a sort of buffer from the metal arm.  Somehow the steam is contacting the metal in my case.  )

Any help is appreciated.

Thank you.
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JeepinGeo
Senior Member


Joined: 5 Dec 2007
Posts: 175
Location: Campbell, CA
Expertise: I love coffee

Espresso: Alex Duetto, Silvia
Grinder: Mazzer SJ (x2), Rocky DL
Posted Thu Aug 23, 2012, 12:28pm
Subject: Re: No Burn Steam Arm Problem
 

drfeelgood Said:

I have an Alex Duetto II with the no burn steam arm.

Lately, I've noticed it getting very hot...burning to the touch.

I took it apart and tried to make sure that the sleeve is in the ball joint but this hasn't fixed the problem.

Is there a gasket or some sort of plumbing tape needed?  Or is there something I'm missing?

(Exactly how does it work?  It appears that the sleeve is separated from the metal which acts as a sort of buffer from the metal arm.  Somehow the steam is contacting the metal in my case.  )

Any help is appreciated.

Thank you.

Posted August 22, 2012 link

There is an o-ring at each end of the wand to keep the steam inside the Teflon inner tube, avoiding contact with the outer wand tube. One or both may be allowing steam to come into contact with the outer wand tube. They may need replacement or you could try some o-ring lube (I use the DOW 111 food safe lube).

George
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,172
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4, Pharos,...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Thu Aug 23, 2012, 2:19pm
Subject: Re: No Burn Steam Arm Problem
 

Take that stupid plastic tube out and put a rubber sleeve on the wand, so you can grab hold and manipulate it.  Your steam will improve dramatically.  The rubber sleeves are available from espressoparts for less than $10.

 
.
Always remember the most important thing is what ends up in your cup!
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drfeelgood
Senior Member


Joined: 27 Dec 2003
Posts: 56
Location: Florida
Expertise: I love coffee

Espresso: Alex Duetto II & Isomac...
Grinder: Mazzer Mini Electronic and...
Vac Pot: 12 cup, Melior French Press
Drip: A little pencillin does the...
Roaster: HotTop, Fresh Roast + 8 with...
Posted Sat Sep 1, 2012, 11:26am
Subject: Re: No Burn Steam Arm Problem
 

emradguy Said:

Take that stupid plastic tube out and put a rubber sleeve on the wand, so you can grab hold and manipulate it.  Your steam will improve dramatically.  The rubber sleeves are available from espressoparts for less than $10.

Posted August 23, 2012 link


Haven't been able to fix the problem...don't see an O-ring on either end.  Will talk with the guys at Chris' Coffee to see about getting a replacement.

I like the No-Burn arm in general.  Have a lot of experience with multiple machines and get great microfoam on this one.  But it is certainly a consideration to just make it a regular steam wand.

Interestingly, I tried the new 4-hole tip and had terrible results.  It was much better with the original 2-hole tip.

Anyone else have this experience.

Thank you for your feedback.
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wsurfn
Senior Member


Joined: 18 Apr 2008
Posts: 9
Location: Austin, TX
Expertise: I love coffee

Espresso: Duetto 2
Grinder: K30
Posted Sun Sep 2, 2012, 6:30pm
Subject: Re: No Burn Steam Arm Problem
 

I am with emradguy. I bought a burn-me wand instead of pulling out my Teflon tube, as I was unsure if I would ruin it. I am happy with the results. Now knowing this, I would have tried this first.

Tips are personal. I like a 4 hole.
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