PowerPro64 Senior Member Joined: 7 Jul 2003 Posts: 48 Location: West Point, NY Expertise: I live coffee
Espresso: ECM Giotto Premium Grinder: Mazzer Mini Electronic Vac Pot: nope Drip: Bonjour Press Pot Roaster: FR+8
Posted Thu Aug 26, 2004, 11:45am Subject: Giotto Pressurestat
Hello! Has anyone tinkered with the Giotto pressurestat. If so, will you please give me some directions. In fact, could you tell me what it is based on this picture? I think its the big brass thing, but I'm not sure. Thanks!
cafewest_tech Senior Member Joined: 22 Aug 2003 Posts: 270 Location: Medford Expertise: Professional
Posted Thu Aug 26, 2004, 3:20pm Subject: Re: Giotto Pressurestat
Hamm is correct. The black plastic top like thing with the screw in the center and the wires coming off the microswitch is the pressurestat. The tall brass thing is the pressure relief valve, and the silver hex nut with the brass post is the vacuum breaker. The vacuum breaker pops up when the boiler starts to make steam and drops when,the boiler cools down to prevent a vacuum in the boiler.
Posted Thu Aug 26, 2004, 8:25pm Subject: Re: Giotto Pressurestat
Just remove the black cap on the right side of your picture. Underneath you will finfd the adjustment screw. If you need to adjust do in very small turns. My factory settings were at 1.4 and since I have lowered it to 1.3 and I feel that the shots taste better and I did not loose any steaming power. My machine cycles down to 1.0 and never below unless I steam quite a bit of milk.
Life is a one way trip, so be sure to enjoy every second of your journey !!!!!!
harbor_pirate Senior Member Joined: 19 Dec 2001 Posts: 47 Location: Yulee, FL Expertise: I live coffee
Espresso: Señor Giotto by ECM aka The... Grinder: Mazzer Mini for the office,... Vac Pot: Farberware Robot x2, Yama... Drip: Technivorm KBT741 , Keurig... Roaster: WB MK1 x 2
Posted Fri Jun 22, 2012, 7:10am Subject: Re: Giotto Pressurestat
Glad I found this and other related threads. MY Giotto is TEN year's old and I believe I've started encountering issues with the P-Stat. A Phonecon with Service at Jaguar Coffee based out of Spring Hill. FL pointed me in that direction. Being in the Jacksonville, FL area leaves me kinda without a parachute from a service/repair standpoint and if the piping to the p-stat ain't clogged and I can't manage to replace it on my own, my final option is Fontana Coffee almost 3 hours SOUTH of me. Hoping to NOT have to turn it into a road trip.
stefano65 Senior Member Joined: 30 Oct 2004 Posts: 1,364 Location: Eugene OR Expertise: Professional
Espresso: Vibiemme,Elektra, Grinder: Vario,Macap, Vac Pot: not Drip: not Roaster: not
Posted Fri Jun 22, 2012, 7:48am Subject: Re: Giotto Pressurestat
The pressurestat pictured (far right) is a MATER normally they do not have any cover on the adjustment screw there is a screw with a + and _ on it just small turn 1/8 let some steam out let the pstat do couple of cycles and re-adjust if necessary
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