La Marzocco 'Linea PB' Red Pressure Gauge This red-faced pressure gauge is designed for the La Marzocco Linea PB, with dual vertical 1/8" male BSPP fittings and an included mounting bracket. SPECIFICATIONS Reading range: 0-3 x 0-18 bar Fittings: two vertical 1/8" male BSPP Body diameter: 60 mm; face diameter: 65 mm Includes mounting bracket COMPATIBILITY Fits: La Marzocco Linea PB INSTALLATION A simple DIY panel-mount gauge swap.