Rancilio Group Head Infusion Chamber Cap portafilter-handle Three mounting holes

Three mounting holes

A: Recommended operating pressure is 15 to 30 PSI

Replaces: OEM dual-scale pressure gauge (F_511)

Length: approximately 159 mm

This is a boiler-plumbing component -- installation involves draining the boiler and working with threaded fittings

Rancilio Group Head Infusion Chamber Cap portafilter-handle Three mounting holesRancilio Group Head Infusion Chamber Cap Caps the infusion chamber on the Rancilio group head. This updated 18mm version replaces the earlier R_196 cap. SPECIFICATIONS Diameter: 18mm COMPATIBILITY Fits: Rancilio group heads (infusion chamber) Replaces: R_196 (earlier version, now superseded by this part) INSTALLATION Simple cap replacement, hand tools only. PRO TIPS If you are chasing a group head weep and the cap looks fine, check the o ring seal