Ascaso 2007 Steel Duo PID Thermoblock Assembly for Steam - 110V elle-parts/elle-lever-group The chrome safety valve arm

The chrome safety valve arm that vents steam away from the machine if the boiler over-pressurizes

Not for four group

cushioning portafilter rims from metal-on-metal contact and making the bar easier to wipe down

will not fit the KB90

Ascaso 2007 Steel Duo PID Thermoblock Assembly for Steam - 110V elle-parts/elle-lever-group The chrome safety valve armAscaso Steel Duo PID Steam Thermoblock Assembly 110V Complete steam side thermoblock assembly including the thermoblock, thermal case, fittings, and water inlet solenoid, fits Steel Duo PID models from 2007 to present. SPECIFICATIONS 110V Includes thermoblock, thermal case, fittings, water inlet solenoid COMPATIBILITY Fits: Ascaso Steel Duo PID, 2007 to present INSTALLATION A full assembly swap involving electrical and plumbing disconnects, best