Mazzer Electronic Dosing Cap and Adhesive Membrane with Display la-san-marco-portafilters-all/la-san-marco-standard-portafilters1 since a mismatched expansion valve

since a mismatched expansion valve can leave your brew pressure poorly regulated

though sizing your resin/recharge schedule to your water hardness and usage is worth getting right

originally used on the 220V version

it's a five-minute job that's easy to get slightly wrong

Old L3 series style

Mazzer Electronic Dosing Cap and Adhesive Membrane with Display la-san-marco-portafilters-all/la-san-marco-standard-portafilters1 since a mismatched expansion valveMazzer Electronic Dosing Cap and Adhesive Membrane with Display This self adhesive membrane and aluminum cap assembly features Mazzer's newer aesthetic design, fitting the electronic (Elettronico) Kold, Kony, Mini, Robur, and Super Jolly grinders from roughly 2014 to present. The lower base plate and PCB are not included; base plate screws are sold separately as MI57. This is a special order item shipped directly from the manufacturer separately from