This is a replacement pressure switch found in 1 group prosumer domestic coffee machines - see fits tab.
This switch is used to maintain the boiler temperature which can get scaled over time losing its ability to maintain correct the pressure and boiler temperature.
Typically needs to be replaced if:
The safety valve is venting due to the boiler overheating
The group temperature is too hot ie over 95C
Not getting enough steam from the wand.
It is factory preset so will not need to be adjusted - it will restore your correct boiler and group temperature. Most boilers are set at 126c which is approx 100c for water and 94c for group.
⚠️Parker also has a 0.9 -1.7 bar version for Casadio, La Piccola and La Cimbali models
Hi What is the exact type description ? I have recently a campini Typ98 but I want to replace this one with one which can be easy adjusted. Thanks Ralph
Blue Star Coffee Replies:
Hi Ralph, It is P203T01 2-POLE 20A 1/4" - see specifications for more information.
MoshefromIsraelasks
Is it a Normally closed Pressure Switch?
Blue Star Coffee Replies:
Hi Moche, This will remain open until the boiler reaches approximately 116c, then it will cut off supply to the boiler element.
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