Nuova Simonelli New Style Steam Valve Fork mazzer-astoria-rio-espresso-grinder-parts/mazzer-major-e-grinder-parts A contactor with pitted or

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

Included is 1 color tool handle with 1 threaded bristle cartridge brush

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

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

recommend a qualified technician for installation

Nuova Simonelli New Style Steam Valve Fork mazzer-astoria-rio-espresso-grinder-parts/mazzer-major-e-grinder-parts A contactor with pitted orNuova 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