Question about ECM Giotto Espresso Machine

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My 5 year old Giotto has stopped working

I have a 5 year old Giotto. Today when I turned it on the pressure immediately skyrocketed. I turned it off and back on again. The pressure gauge returned to its normal position. When I opened the steam valve I had no steam and the pressure gauge dropped to zero - the same thing happened when the hot water valve was opened. When I turned on the brewhead water came out but it was like warm. When it is turned on now it makes quite a racket. Any advice ??? Thanks

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  • daly_val May 05, 2010

    I may need a little more assistance. I have looked at several websites for "vent valves"for the ECM Giotto and can not find a part number with that name. Any suggestions as to the part number and source for this part?
    Thank you once again.

  • timjim
    timjim Jul 24, 2012

    I THINK by "vent valve" he actually means the "breaker valve" - Part #: C219900560 Breaker valve (Part 21 in the boiler-parts diagram).


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The vent valve on the machine is stuck in the open position. Turn on the machine and open the steam wand until you hear a hiss or see small water bubbles from nozzle, let it steam out a little more then close wand, that should allow the machine to heat up correctly, then order a new vent valve for the machine.

Posted on May 04, 2010

Testimonial: "Thank you so much - you were absolutely correct and your advice worked. I will order a new vent valve today!!"

  • Ernest R
    Ernest R May 06, 2010

    It is a universal valve check this site You just need a regular vent valve some call it a vacuum valve.


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