As an Amazon Associate, we earn from qualifying purchases. Home » La Marzocco » MZ_341 La Marzocco 'GB-5/FB-80' Steam Boiler Pressure Gauge La Marzocco . MZ_341 Gallery Attributes Brand name, Manufacturer name, ManufacturerLa Marzocco Extra Product NameLa Marzocco 'GB-5/FB-80' Steam Boiler Pressure Gauge moq, multiple, tierMinQty11 MPN, SKUMZ_341 qtyInStock0 snippetSingle scale 0-3 bar. 1/8" M BSP. The capillary tube is 1/4" F BSP. 44 mm outside diameter on the rim with a body of 41 mm. Note the long 1/4" fitting. tierPrice147.70 Distributor offers SellerSKUMOQIn stockMultiplePrices espressoparts.comMZ_341111 @ $47.70