Eight o-rings for Breville BES900 BES920  BES980 BES990 double boiler espresso machines, used for probes. 

Silicone.     Identified as location 5.6 in some Breville parts diagrams.

I also have a listing for these in fluorosilicone, which is the blue material originally used in these machines:

https://www.ebay.com/itm/124778079820

If you need the smaller ones used on the hoses, SP00001672, I have a listing for those:
https://www.ebay.com/itm/124664686416

And also listings where you get six for the probes, six for the hoses:
https://www.ebay.com/itm/124672816362  (all silicone)

https://www.ebay.com/itm/124778089385    (silicone for hoses, fuorosilicone/blue for the probes)


Located in NJ for fast shipping.  If you order by noon EST I have it out the same day, first class mail.   I ship Saturdays too.  Delivery is typically 2 to 4 days in US, 7 to 14 days international.  Get that machine fixed fast.  

I specialize in o-rings and repair kits for Ulka pumps.   Check out my feedback from all my happy customers.
If you need other o-rings, please contact me.