CIME Espresso Machine Group Seal Kit grinder burrs Portafilter is difficult to lock

Portafilter is difficult to lock in or feels loose

What does the water level regulator do

Durable stainless steel probe and clip built to withstand daily café use

Microwave warmable

CIME Espresso Machine Group Seal Kit grinder burrs Portafilter is difficult to lockCIME Espresso Machine Group Seal Kit A CIME espresso machine group seal kit is a complete set of sealing components for the group head the part of the machine where the portafilter locks in and brew water is delivered to the coffee puck. This kit includes everything needed to restore a proper pressure tight seal at the group head, eliminating leaks, restoring portafilter lock tension, and ensuring consistent 9 bar extraction pressure shot after shot.