Fluid-o-tech Relief Valve/By-pass Valve espresso-coffee-grinder-parts/mazzer-astoria-rio-espresso-grinder-parts but not for four group

but not for four group machines

it also comes with direct replacement parts access and support through the same supplier relationship

Pull the old screen out before fitting the new gasket

Experience the craftsmanship of Yama Glass USA—where tradition

Fluid-o-tech Relief Valve/By-pass Valve espresso-coffee-grinder-parts/mazzer-astoria-rio-espresso-grinder-parts but not for four groupFluid o Tech Relief Valve By pass Valve This Fluid o Tech by pass valve protects the hydraulic system from over pressurization, opening to drain excess water when pressure builds too high. It can also be used to fine tune pump dispensing pressure. SPECIFICATIONS Fitting: 1 8" female BSP Seal: NBR Manufacturer part #: B2E COMPATIBILITY Fits: Fluid o Tech pumps using an M12 x 1. 0 mm female fitting to connect to the pump piston Exceptions: Ascaso pumps