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  1. #1
    Junior Member
    Join Date
    Apr 2019
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    2

    Breville Barista Express - too cold?

    Hey all,
    I purchased a new Breville Barista Express a few weeks ago from a reputable local shop here in Seattle. After successfully dialing the grind and shot times in, it was still super bitter, regardless of the beans used (all fresh though). The shots seemed relatively cold, so I suspected that it wasn't getting up to the proper brewing temperature. To test it, I powered the machine on, waited for 1/2 hour, then ran an empty shot through the portafilter. I ran another empty shot and measured the stream right out of the portafilter using a good, reliable instant read thermometer, and it was reading 157 degrees F (corroborated with another thermometer placed in a preheated cup). I then pulled a shot, with the same results.

    I took it back to the shop, and the guy said that's normal, which didn't quite seem right to me. I did a bit of searching, and found the troubleshooting section on the Breville site. They say ""the temperature of the liquid coming out of the machine, before it hits the coffee, is around 200°F (generally between 195°F and 205°F)" with "some heat loss expected." Maybe I'm way off, but 40 degrees seems a bit more than "some"

    Thoughts?

    Thanks,
    -d

  2. #2
    Senior Member
    Join Date
    Feb 2019
    Posts
    320
    Considering the location, ways heat is transferred and contact time, measuring temperature there may not be as straight forward as it seems. If you want to compare to the factory reading, you have to know how they do it.

    So I think the easiest way to verify is to use the store demo unit (I am sure they have one there) and make the same coffee. See if you can tell any difference.

  3. #3
    Junior Member
    Join Date
    Apr 2019
    Posts
    2
    Thanks for the reply.
    I get where you're coming from, but according to Breville themselves, “between 160°F and 180°F is considered a comfortable drinking temperature” (from the BES870XL troubleshooting page at brevilleusasupport.com/bes870xl/troubleshooting/). At 157°F, it's much less than their stated minimum.
    Do their numbers seem high, or is 157°F about right?

    Thanks again

  4. #4
    Senior Member
    Join Date
    Feb 2019
    Posts
    320
    Home water heater is usually set at 120°F because you may run the risk of burning skin when higher. Consider mouth may have the most sensitive skin, I doubt the 160°F/180°F number but never tried or measured myself. I only heard of 200°F optimal water temperature for drip coffee machines and assume it should be higher for your Breville. But that's the inlet temperature, what comes out is a complete different story. As I mention, use their demo unit to make one is the easiest way to find out. Good luck!

  5. #5
    Senior Member
    Join Date
    May 2014
    Location
    Kansas City
    Posts
    987
    Breville machines often have the ability to set temp to several pre-determined temps. Does yours have this function? Set to the highest temp? I would contact Breville support... at 160 degrees (if your testing at the point water would hit your espresso) would be too low to ever extract great espresso.

 

 

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