mrunoriginalname77 Senior Member Joined: 28 Apr 2011 Posts: 1 Location: Connecticut Expertise: Just starting
Posted Thu Apr 28, 2011, 7:00pm Subject: Vacuum coffee pot - upper globe pops out
I bought the 5 cup Yama pot a week ago. Utter bliss, the family rejoiced (3/4 at least, we still pray that my brother starts drinking coffee). Then 2 days ago, my top globe does not stay down. it just doesn't seal up. So I tried various twist and turns, jabs and jousts with it. It is far more adept at making me irate than several ex-girlfriends combined in some voltron fashion. So what do I do to help my addiction... I hold it down. While brewing... with an oven mit. I fear from a combination of pressing to hard and weight lifting, that one day I will break it. Short of anything draconian (coffee pot doesn't work so I should just pour hot water and coffee grounds down my mouth), WHAT DO I DO!?!?!??!!?!!?! C'mon once you go vacuum, you never go (fill in the something catchy cus I'm not that creative)
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 5,680 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Veneziano A1 Grinder: Many different commercial Vac Pot: 40s era Silex Drip: Milita, Bunn&Curtis... Roaster: Cast iron pan, gas burner
Posted Fri Apr 29, 2011, 9:11am Subject: Re: Vacuum coffee pot - upper globe pops out
There are lots of great ways to brew coffee, vac pots are just one way. A way I tend to like very much but it is only one way. There is the Aeropress and the less tech manual pour over cone (manual drip) as well as the french press (which I don't like the sludge from!)
Without being able to look at the seal to see what is wrong with your vac pot, it is really hard to try to give you any help with the pot.
Don't forget you need a good grinder and fresh coffee to go along with the vac pot. If you are using anything from a can..... YUCK! Fresh coffee is less than 2 weeks from the day it was roasted on, if there is a "best by" date on the bag, leave it in the store, it was stale before you got in your car to buy coffee, likely LONG before.
You need a burr grinder, not a whirley blade spice grinder, a REAL burr grinder, these start referb at about $75 and go into $Ks.
In real life, my name is Wayne P.
Feed the newbs, starve the trolls and above all enjoy what you drink!
Posted Fri Apr 29, 2011, 11:09am Subject: Re: Vacuum coffee pot - upper globe pops out
I'm not a vac-pot brewer, but I understand the concept and would check the following two things:
Seal - it should be clean and soft, so that it creates a good seal between the lower and upper bowl. If this seal is pour, then pressure can escape at this point, and will not force water into the upper bowl. Applying pressure would improve the seal and allow the pressure to build and force the water upward.
Filter - the pressure created in the lower bowl will tend to equalize via the easiest path. If the filter is clogged, then the next place is at the seam between the two parts. What type of filter are you using? Is it clean?
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 5,680 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Veneziano A1 Grinder: Many different commercial Vac Pot: 40s era Silex Drip: Milita, Bunn&Curtis... Roaster: Cast iron pan, gas burner
Posted Fri Apr 29, 2011, 2:02pm Subject: Re: Vacuum coffee pot - upper globe pops out
The complaint was that the top "pops" off, I am not sure it is a sealing problem. Well it is but why? I have never had the top come off, rather, it gets darn hard to take off after brewing. If the seal is clean and the glass under the seal is clean, I can't see why it would pop off. Was the seal removed for cleaning and reinstalled up side down?
In real life, my name is Wayne P.
Feed the newbs, starve the trolls and above all enjoy what you drink!
Posted Sun May 1, 2011, 10:48pm Subject: Re: Vacuum coffee pot - upper globe pops out
Can you give a little more info? I have the same Yama pot and have never seen this problem.
Does it pop out only when heated up and the coffee is up top? or prior to that? What condition is the seal in? Does slide easily when it's cold? Like others recommended, did you try washing it with soap to get rid of any oils on there?
Posted Sun Sep 25, 2011, 6:02pm Subject: Re: Vacuum coffee pot - upper globe pops out
Well,welcome me to the club. A 5 cup.was about a month old when the top started coming loose and rising to the point of falling off. This happens whenever the pot is heated at all,with or without water. No amount of experimentation did any good. The rubber seal is in perfect condition. Fairly recently Yama has changed the shape of the upper chamber from round to long and slim. I have a round one from from an old 5 cup Yama---works perfectly with the new pot. Obviously,there is a flaw in the design or composition of the newer seals I doubt that raising Hell with Yama would help,but you may want to try. By the wa.the seals on the tops appear identical. Barry
iowaboy Senior Member Joined: 10 Feb 2003 Posts: 93 Location: Ankeny, IA Expertise: I like coffee
Espresso: Gaggia New Baby; Vev & GB... Grinder: Preciso, Solis Maestro+ Drip: Melitta Pourover, Krups,... Roaster: Behmor, FR8+
Posted Sun Sep 25, 2011, 8:36pm Subject: Re: Vacuum coffee pot - upper globe pops out
I had no trouble with 2 older Yama pots I had some years ago, but have recently had 2 of the new ones do exactly the same thing described here: the top will absolutely not stay down in the carafe. Both were returned to the merchant as defective. Too bad, the old Yamas made great coffee.
Dorsey Senior Member Joined: 3 Oct 2011 Posts: 1 Location: Portland, Oregon Expertise: Just starting
Posted Tue Oct 4, 2011, 6:51pm Subject: Re: Vacuum coffee pot - upper globe pops out
I have used a vac pot from Yama for years. I recently purchased several of the 5 cup versions for gifts. One of the units had the same problem with the top funnel not staying in place. I called the company, Northwest Glass Designs, and they sent me a replacement gasket. This solved the problem. All other units worked great. They said occasionally a gasket can be faulty. I love my siphon coffee, better then presses.
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