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Recommended Group Gasket and Screen for Expobar Office Pulser "E61-style"
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Whitcoatsyndrom
Senior Member
Whitcoatsyndrom
Joined: 25 Apr 2013
Posts: 175
Location: Roanoke, VA
Expertise: I live coffee

Espresso: Expobar Office Pulser
Grinder: Baratza Vario
Drip: Newco-OCS 12
Roaster: HG/BM
Posted Fri Mar 28, 2014, 11:31am
Subject: Recommended Group Gasket and Screen for Expobar Office Pulser "E61-style"
 

I picked up a used Expobar Office Pulser and the group gasket was definitely never replaced.  It's not yet cracking but it's hard as a rock and I get a small amount of leaking when I backflush.  I'de like to replace the gasket and perhaps the screen while I'm at it before the gasket actually does start cracking.  I'm finding a bunch of mixed info on which gasket fits best, although most sources say that a 8mm thick e61 gasket works best.  Apparently it is the inner diameter of the gasket that gives expobar office users some trouble.  EspressoParts sells a gasket-screen kit for e-61 but makes specific reference to the inner diameter perhaps being a problem with certain machines.  However, the same disclaimer is made on the standard gasket alone on their website...This is confusing because I thought that if I was replacing the gasket and screen, the inner diameter of the gasket would obviously not be a problem since it's being sold with the screen.  This will be my first time replacing an e-61 gasket but I was pretty sure it just fit around the screen (the two being sold together would match up).  Is their disclaimer a non-issue since I'm replacing the screen at the same time?  

Here is the kit I'm referring to:
http://www.espressoparts.com/FKIT1

The same disclaimer is made on their gasket sold alone.  They provide a link in the disclaimer for another that will apparently fit better (they say its a softer material)
http://www.espressoparts.com/F_59

Your help is much appreciated. Thanks!
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Whitcoatsyndrom
Senior Member
Whitcoatsyndrom
Joined: 25 Apr 2013
Posts: 175
Location: Roanoke, VA
Expertise: I live coffee

Espresso: Expobar Office Pulser
Grinder: Baratza Vario
Drip: Newco-OCS 12
Roaster: HG/BM
Posted Mon Mar 31, 2014, 10:50am
Subject: Re: Recommended Group Gasket and Screen for Expobar Office Pulser "E61-style"
 

I ended up ordering a Cafelat 8mm silicon group gasket...3 bucks plus $3 for shipping.  It's ludicrous that WLL is charging $12 for an "expobar" gasket.  I have no problem with WLL as a company (i've bought from them and continue to do so), but come on!
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 749
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Fri Apr 4, 2014, 12:39am
Subject: Re: Recommended Group Gasket and Screen for Expobar Office Pulser "E61-style"
 

I'll keep my fingers crossed for you. Let us know how it works out- you never know it might help someone looking for info down the road.
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Whitcoatsyndrom
Senior Member
Whitcoatsyndrom
Joined: 25 Apr 2013
Posts: 175
Location: Roanoke, VA
Expertise: I live coffee

Espresso: Expobar Office Pulser
Grinder: Baratza Vario
Drip: Newco-OCS 12
Roaster: HG/BM
Posted Tue Apr 15, 2014, 8:12pm
Subject: Re: Recommended Group Gasket and Screen for Expobar Office Pulser "E61-style"
 

If anyone should search for this info in the future:

The e-61 8mm (red) Cafelat silicon gasket installed easily and after one day of use, is great.  The relatively soft silicon made sliding it over over the screen a breeze.  Definitely do not get the 8.5mm, as the 8mm is relatively snug compared to the old worn out gasket that was on it.  With the beat up gasket I was locking into the 6 o'clock position with the stock PF and with the 8mm Cafelat it is more like the 7 o'clock with a beefy twist to get it locked in.  Initially I wasn't locking it in so snuggly bc I wasn't used to using much force with the old gasket in place, so I had some leaking during the first shots.  Once I figured out that I had to generate a little (not excessive by any means) force to get the PF seated properly there was no leaking, even with a blank backflush disk.
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