As an Amazon Associate, we earn from qualifying purchases. Home » La Marzocco » MZ_B2008 La Marzocco 'GS3' Check Valve La Marzocco . MZ_B2008 Gallery Attributes Brand name, Manufacturer name, ManufacturerLa Marzocco Extra Product NameLa Marzocco 'GS3' Check Valve moq, multiple, tierMinQty11 MPN, SKUMZ_B2008 qtyInStock0 snippet1/4"M x 1/4" M BSP fitting, "Stainless Check Valve 1/4 BSPP Male Ends with Viton Seal". This is the new version B.2.027, previously B.2.008. tierPrice179.26 Distributor offers SellerSKUMOQIn stockMultiplePrices espressoparts.comMZ_B2008111 @ $79.26