1/4" M x 130 mm Auto-fill Probe /2-group-espresso-machines not a bolt-on kit

not a bolt-on kit

since it's functionally identical and better supported going forward

John Guest angle stop adapter valve for tapping into an existing supply line: 3/8" female compression inlet x 3/8" male compression x 3/8" John Guest push-fit outlet

Thread Size: 1/2" NPT brass water connections

since the spout sits too high and wide for that

1/4" M x 130 mm Auto-fill Probe /2-group-espresso-machines not a bolt-on kit1 4" M x 130 mm Auto Fill Probe This auto fill probe monitors reservoir water level on a range of Nuova Simonelli and Victoria Arduino machines. It ships without the recommended sealing gasket, so plan to order one alongside it. SPECIFICATIONS Thread: 1 4" Male Length: 130 mm COMPATIBILITY Fits: Nuova Simonelli Appia, Aurelia, Jazz, Master, Microbar and Premier Maxi; Victoria Arduino Adonis, Athena S, Athena Leva, Venus Bar and Venus Century