This screw keeps the heating element secured to the boiler plate with the La Pavoni copper heating element gasket sandwiched in between.  Part fits La Pavoni Models:
La Pavoni Stainless Steel heating element screw SKU: P-18S This alan head screw is used to hold the heating element in place on any La Pavoni Europicola, professional or millennium addition that has a heating element that is stainless steel.
La Pavoni Europicola Double switch SKU: P-85E This part is a power switch and the other side of the power switch gives steam.  This swicth works for ONLY for the La Pavoni Europicola.