E61 Group Head Mushroom - Manual Group Version coffee-equipment-parts/fetco-brewer-dispenser-parts The auto volumetric version (av)

The auto volumetric version (av) of the Linea S features an integrated digital shot timer so shots can be easily monitored

no special skills required

somewhere around "auto drip"

boiler disassembly required

Each of those modes carries three presets and a manual option

E61 Group Head Mushroom - Manual Group Version coffee-equipment-parts/fetco-brewer-dispenser-parts The auto volumetric version (av)E61 Group Head Mushroom Manual Group Version This upper infusion sleeve ("mushroom") fits select manual E61 style groups. It does not include the cap, gasket, filter, or jet, and is not compatible with newer ECM (German) manufacture groups from roughly 2010 onward, or with Rocket Espresso groups, which now ship in two parts. COMPATIBILITY Fits (not all configurations): Bezzera, BFC, Brasilia, Faema, Fiorenzato (C. S.), Futurmat Ariete, Grimac,