Rancilio Silvia Copper Washer – 11x7x1.5mm (Genuine OEM) Ensure a leak-free, perfectly sealed espresso machine with this Rancilio Copper Washer (11x7x1.5mm) 🔧. Designed to fit precisely between the boiler and the expansion valve (OPV) on your Rancilio Silvia, this high-quality copper gasket maintains optimal pressure and heat resistance during extraction ☕🔥. This is an authentic OEM part (Rancilio #36240006), offering the durability and reliability you expect from the Rancilio brand. 🛠️ ✅ Key Features: 🧲 Genuine Rancilio OEM Part – Part #36240006 ⚙️ Dimensions: 11mm outer diameter x 7mm inner diameter x 1.5mm thick 🔄 Used between the boiler and expansion valve (OPV) 🧼 Made of high-quality copper for excellent heat and pressure resistance 🔧 Fits all versions of Rancilio Silvia espresso machines 📝 Pro Tip: Rancilio recommends one 11x7x1mm and one 11x7x1.5mm washer for proper sealing. Since compatibility can vary slightly between Silvia models, it's wise to keep two of each on hand – they’re affordable and essential for routine maintenance 🛠️.