Rocket Espresso Control Board A190004275 rancilio parts use a portafilter-mounted pressure gauge

use a portafilter-mounted pressure gauge and adjust the valve’s set screw — clockwise to increase pressure

or erratic machine behaviour

Genuine replacement control board for VBM Domobar Junior espresso machines

2cm D x 50

Rocket Espresso Control Board A190004275 rancilio parts use a portafilter-mounted pressure gaugeRocket Espresso Control Board A190004275 Replace a faulty electronic control board on your Rocket Espresso machine with this genuine OEM part (A190004275). The control board is the central electronic component that manages machine functions including heating element control, pump operation, and shot timing a failed board can cause erratic behaviour, failure to heat, or complete machine shutdown. Specifications Part number: A190004275 Type: Electronic