3/8" Safety Valve - 1.8 Bar grimac/grimac-portafilters as the port walls on

as the port walls on this valve are relatively thin

Fits: Nuova Simonelli Aurelia II T3

If the boiler runs hot with no way to shut off

commonly used for water inlet or boiler fill lines

group screen

3/8" Safety Valve - 1.8 Bar grimac/grimac-portafilters as the port walls on3 8" Boiler Safety Valve 1. 8 Bar This is the standard 3 8" boiler safety pressure relief valve set to release at 1. 8 bar. Espresso boilers run at different working pressures depending on the model, so double check your machine's original valve size before ordering, some use a smaller 1 4" version and others step up to a 1 2" version, and installing the wrong size won't seal correctly. SPECIFICATIONS Calibration pressure: 1. 8 bar Steam outlet