Replace your Plunger Stem for any Pressure Gauge Kit.
PISTON STEM FOR PGK: Compatible only with the Signature and Classic series espresso makers. Not compatible with the Signature PRO. Does not include the Pressure Gauge.
PISTON STEM FOR PRO2: The PRO Plunger Stem inserts into the PRO Stainless Steel Plunger. Does not come with the pressure gauge and is only compatible with the Signature
