Gaggia Group Gasket

$9.95
Reg. $9.95
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5 out of 5 stars based on 2 customer reviews

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UphillStill asked:

When replacing the gasket, does it matter which way the gasket goes in? I see one side is completely flat while the other has a slightly curved edge. I put the flat side in first (up) against the machine since the one I was removing was completely flat on that side too. Of course, the other side (where the porta filter engaged) was too worn to tell if it was once curved.

Answer by Sanfam:

While there may be a slight curve, the Gaggia NG01 group gaskets are typically flat on both the top and bottom faces.  For the sake of consistency, I'd suggest placing the flat face up to allow for a firm seal (no flexing or compression to worry about) when tightening the filter.

Answer by UphillStill:

That's the way I placed it originally but when running the pump without a porta filter in place, water leaked around the diffuser/shower screen so I reversed it and now water only emerges from the shower screen. I wonder if it's the correct gasket? I've seen others ask the same question and even found another person asking the same question on the WLL forum. Plus, not only is the handle not difficult to engage, it's very easy with almost no effort at all required to get the handle to 6 o'clock (lined up with the indicator) and very little required to go all the way to the right. Mine never behaved that way even when new. Everything seals up fine and shots pull better than before so I suppose it's fine. In the replacement video, I believe I can see that both the gasket being replaced and the replacment have the slight bevel and it appears as if she is installing bevel up. Any input appreciated.

Answer by Sanfam:

It really sounds like you might have received a bunk gasket.  I'd suggest contacting Technical Support with your order number to (a) make sure the correct gasket was selected for certain, and (b) alternative options if it was.

Answer by UphillStill:

Thanks. I ordered another gasket and it is clearly different than the last one so I think you're right about it now being the correct gasket or a defective piece. The person I talked to only seemed to care that the most recent gasket was correct rather than getting a replacement for one I bought months ago but only installed last week. I have a history of purchases with WLL including multiple machines and supplies so the lack of interest is disappointing to say the least. I think the bad gasket was actually purchased by a friend I referred to WLL for a Gaggia purchase as we usually combine orders for small parts to save shipping so maybe she didn't believe I really bought it from WLL but my history should be worth something. Actually I called support to let them know the site had a problem with its filtering system so the poor support makes me wonder why I bothered. 

 

Anyway, with that beveled filter, the curved side has to go up against the brew group or it leaks water around the diffuser. Other than letting the porta filter handle rotate all the way to the right it seems to work but I expect it will fail sooner due to being thinner but I'll just wait and see. 

Thanks for your response. 

BLAIRL asked:

I have been having the Gaggia Baby Class for only 2 months, and the portafilter has recently started to leak after brewing a shot (until i power it off). Am i doing something wrong. I tried cleaning the gasket, but got same results. I did not see any wear on the gasket.

Answer by techkathy:

Have you taken apart the group head and cleaned it? Have you descaled the machine? If the machine is leaking from the group head even after brewing it may just need a good cleaning. Click on the links below to see a video on both cleaning procedures.

http://www.wholelattelove.com/videos.cfm?playvidID=545

http://www.wholelattelove.com/videos.cfm?playvidID=547

Janet asked:

I recently purchased replacement group gaskets for two 7-yr-old Gaggia Classics, and replaced the originals according to posted instructions - easy job. BUT the gaskets appear to be too thick. It's now very difficult to set the basket in place on one machine - I can get it a bit past the starting point but nowhere near 6 o'clock, even with a hard push. On the other machine, it's virtually impossible to set the basket. Online discussions are inconsistent about whether the gasket should be 8.5, 9 or 10 mm thick for the Gaggia Classic. Unfortunately the old gaskets are long gone in the trash.

Answer by Janet:

Thanks for your suggestions. I took the coffee maker apart again to check for debris under the gasket - there was none. However, I noticed that the gasket is asymmetric - one side is beveled and the other isn't. It took about an hour on the web to find replacement instructions that even mention this. Turns out that the beveled side goes up towards the brew group and I had it in the other way around. I really wish all those people who put instructions on the web would include this information. The basket now sets fine - doesn't get to 6 o'clock, but it's easy to set the basket. BTW, it's a 9-mm gasket - I found a faint "9" on the rim.

Answer by Sanfam:

One thing to consider when replacing a very old gasket is that any old gasket material left behind can result in high-spots, which can make tightening the filter difficult. A good plan when replacing the gasket is to make certain the seat is completely clean of any residual gasket material (Or "Small chunks of stuff" as it is often described). Finally, bear in mind that the new gasket is going to be more rigid and somewhat more thick than the gasket you just removed. This will begin to change over the next few weeks, but the first few days of use will be difficult.

Answer by techkathy:

Janet ,
The old gaskets were probably worn and much thinner then they were originally. New gaskets are thicker and usually do not allow the portafilter to turn all the way to the 6 o'clock position right away. They will wear in a bit with use. As long as there is a seal when you are brewing coffee, then you should be alright.

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