La Marzocco Mechanical Paddle (MP) Group Rebuild Kit - Version 2 san-marco/la-san-marco-steam-water-valve La Marzocco GS3 pump inlet

La Marzocco GS3 pump inlet

Stick with the nylon star unless you specifically have a European-spec grinder calling for the aluminum version

Works with: 2mm coarse-thread steam valve knob (MZ_11)

Requires backing plate

Replaces: OEM studded front brew boiler shell (MZ_L1523S)

La Marzocco Mechanical Paddle (MP) Group Rebuild Kit - Version 2 san-marco/la-san-marco-steam-water-valve La Marzocco GS3 pump inletLa Marzocco Mechanical Paddle (MP) Group Rebuild Kit Version 2 Introduced by La Marzocco in June 2016, this updated rebuild kit uses H. 1. 024 "Kalrez" o rings, which reportedly last roughly three times longer than the earlier H. 1. 011 o rings used in the original kit. For a full walkthrough, see La Marzocco's Mechanical Paddle Service Guide. SPECIFICATIONS 1 x H. 1. 016 1 x H. 1. 018 1 x H. 1. 019 1 x L103 B 1 x L103 A 3 x H. 1. 024 (Kalrez) 3 x H.