Rancilio Complete Expansion Valve with Threaded Connection Brand_Casadio you'll need to drain the

you'll need to drain the boiler and disconnect the steam/water lines to swap the body

Works with: Spacing ring (included)

these BSP fittings are tapered and can gall if forced while under residual pressure

MP (Mechanical Paddle) – Ideal for baristas who want full manual control and variable pre-infusion

so buy whichever is in stock

Rancilio Complete Expansion Valve with Threaded Connection Brand_Casadio you'll need to drain theRancilio Complete Expansion Valve, Threaded Connection A complete expansion (over pressure) valve for the old Rancilio S and Z series, as well as the Millennium model, both ends are threaded, unlike the R_525 which has a barbed outlet connection. SPECIFICATIONS 3 8" male x 1 4" male BSP thread, both connections threaded COMPATIBILITY Fits: Rancilio S series, Z series, and Millennium INSTALLATION Technician level, plumbed inline on the pump boiler