Rancilio Complete Expansion Valve with Threaded Connection resources/yama-glass-cold-brew a dual screw-mounted double spout

a dual screw-mounted double spout

DIY-friendly for anyone comfortable disassembling a steam/water valve

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Thread: 1/4" F BSP

An older style with a 45° angle directly off the fitting (no curve) was also used

Rancilio Complete Expansion Valve with Threaded Connection resources/yama-glass-cold-brew a dual screw-mounted double spoutRancilio 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