As an Amazon Associate, we earn from qualifying purchases. Home » La Marzocco » MZ_436 La Marzocco 'GS3' Steam/water Valve Knob (Special Order Item) La Marzocco . MZ_436 Gallery Attributes Brand name, Manufacturer name, ManufacturerLa Marzocco Extra Product NameLa Marzocco 'GS3' Steam/water Valve Knob (Special Order Item) moq, multiple, tierMinQty11 MPN, SKUMZ_436 qtyInStock0 snippetThis is a special order item and will ship separately. Please allow 6 - 10 business days for the item to be processed prior to shipping. Black matte finish plasic tierPrice112.10 Distributor offers SellerSKUMOQIn stockMultiplePrices espressoparts.comMZ_436111 @ $12.10