Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Rancilio Silvia Over Pressure Valve (OPV) Copper Gasket by Rancilio No reviews Save Liquid error (product-badge line 32): -Infinity% $1.50 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Rancilio Silvia over pressure valve (OPV) copper gasket. This is the gasket between the OPV and the boiler. 11 x 7 x 1.2 mm