La San Marco 85 Series Lever Group Retention Valve - Complete classe-10-parts/classe-10-re-manual-group This is the older-style "normal"

This is the older-style "normal" cartridge heat exchanger used on Astoria CMA espresso machines

Length: 165 mm

5 bar calibration

These fit the Bunn and Fetco airpots

about 3 minutes

La San Marco 85 Series Lever Group Retention Valve - Complete classe-10-parts/classe-10-re-manual-group This is the older-style "normal"La San Marco 85 Series Lever Group Retention Valve Complete Also referred to as a non return valve, this complete assembly is found only in the La San Marco Leva model. SPECIFICATIONS Fitting: 1 8" M thread COMPATIBILITY Fits: La San Marco Leva model only Works with: Requires a gasket, sold separately (not included) INSTALLATION A moderate DIY plumbing job for anyone comfortable with small BSP metric fittings.