Description
Nuova Simonelli Mythos Basic Commercial Espresso Grinder resources hario v60 Check your machine's serial number Check your machine's serial number before ordering earlier GB5 FB80 units (pre 4996) and the 1 4" boiler application need the SMA vacuum breaker instead of this 1 8" valve usually the primary boiler thermostat or a pressurestat — always diagnose and fix the root cause before resetting or replacing this safety device