La Marzocco 1/8" Steam Valve Anti-siphon Valve /grind-burr-grinder This is the longest/oldest shaft

This is the longest/oldest shaft version (180mm from the rear threads to the stem end

This is Rancilio's updated switch design from December 2020 - it's a drop-in replacement for both the older and newer Rocky

with a 180mm immersed length

Kony S Doser Grinder Features

La Marzocco 1/8" Steam Valve Anti-siphon Valve /grind-burr-grinder This is the longest/oldest shaftLa Marzocco 1 8" Steam Valve Anti Siphon Valve Third generation 1 8" male BSP anti siphon valve that threads into the top of the FB 80 GB 5 steam valves or the Linea Classic steam wand, used from GB5 FB80 serial number 4996 onward. Its swivel feature makes positioning easier than earlier fixed versions. SPECIFICATIONS 1 8" M BSP, swivel design, used from S N 4996 COMPATIBILITY Fits: GB5 FB80 (S N 4996+), Linea Classic steam wand Replaces: La Marzocco