La San Marco SM97 Instant Grinder Microswitch common-universal-parts/astoria-heating-elements-boosted-removable-exchanger-boiler so replacement is the only

so replacement is the only fix once it fails

AeroPress chamber & plunger

still top off the boiler after extended steaming to protect the element long-term

since neither ships with the element

and Mairali machines

La San Marco SM97 Instant Grinder Microswitch common-universal-parts/astoria-heating-elements-boosted-removable-exchanger-boiler so replacement is the onlyLa San Marco SM97 "Instant" Grinder Microswitch Analog activation microswitch located in the portafilter fork, triggering the grinder on contact for the "Instant" model grinders. COMPATIBILITY Fits: La San Marco SM97 "Instant" grinder (portafilter fork activation switch) INSTALLATION Moderate difficulty, mounted inside the fork assembly, requiring careful repositioning of the actuator arm for reliable triggering. Espresso Parts guarantees a full