FInd this link from other forum.
http://www.krups.com/All+Products/coffee-machines/coffee-espresso-combi-machines/Products/XP1500/XP1500.htm
It said in the discription, "4 bar steam system makes espresso, cappuccino, and lattes quickly and easily". What is a 4 bar steam system? Isnt it the optimal pressure for espresso is 9 bar? Im confused.
http://www.krups.com/All+Products/coffee-machines/coffee-espresso-combi-machines/Products/XP1500/XP1500.htm
It said in the discription, "4 bar steam system makes espresso, cappuccino, and lattes quickly and easily". What is a 4 bar steam system? Isnt it the optimal pressure for espresso is 9 bar? Im confused.
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