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. )
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. )
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).
emradguy Senior Member Joined: 31 Mar 2011 Posts: 1,805 Location: Houston Expertise: I live coffee
Espresso: Izzo Alex Duetto II Grinder: MacapM4T, Macap M4, OE Lido,... Drip: Espro press; Aeropress Roaster: internet
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.
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.
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.
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.
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