Used primarily with home or small volume boiler espresso machines. Calibration pressure 2.1 bar (30.45 psi). View the manufacturer's certificate here.
For Nuova Simonelli this is the same as their part #98013020 (1.8 bar) replaced by this one, now their part number 98013021.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.