Nuova Simonelli New Style Steam Valve Fork mazzer-astoria-rio-espresso-grinder-parts/mazzer-major-e-grinder-parts Most Astoria models use the

Most Astoria models use the more common 1/4" x 3/8" check valve instead

A contactor with pitted or burnt contacts will cause the steam boiler to run hot or cycle erratically even with a good pressurestat - listen for a buzzing or chattering contactor as an early warning sign before it fails completely

and your working surface allowing you to safely apply extreme pressures without marring or damaging counters

and is for two-or-more-group machines only

La Marzocco PID kit wiring harness for models already equipped with PID

Nuova Simonelli New Style Steam Valve Fork mazzer-astoria-rio-espresso-grinder-parts/mazzer-major-e-grinder-parts Most Astoria models use theNuova Simonelli New Style Steam Valve Fork This non threaded steam valve knob is compatible with both older and newer version steam valves from Nuova Simonelli. Please check your machine specifications to ensure proper fit before ordering. COMPATIBILITY Fits: Nuova Simonelli machines, compatible with both older and newer steam valve designs, confirm fit against your machine's specs before ordering INSTALLATION Simple DIY; non threaded, press fit