Sirai P303 20A Pressurestat manual-brew/hand-grinders if your control panel uses

if your control panel uses unmarked buttons

with two vertically mounted 1/8" fittings and two horizontal fixing bolts

The 220V two-group control unit used in the Brasilia Century

easy-to-read LCD

resetting it for another dose

Sirai P303 20A Pressurestat manual-brew/hand-grinders if your control panel usesSirai P303 20A Pressurestat Rancilio Classe 5 7 A three pole Sirai P303T01 pressurestat that regulates boiler heating via a diaphragm responding to steam pressure. Specifically listed for the Rancilio Classe 5 single groups and Classe 7 S and Leva models, and also reportedly used in Bianchi and Fiemma equipment. SPECIFICATIONS Connection: ISO 228 G 1 4"M for 4 x 6 mm pipe Adjustable scale: 0. 5 1. 4 bar Fixed differential: 0. 18 (+ 0. 03) bar Max