HydroPak Kits are made to specifically suit the BAXI Duo-Tec MP range. The kits are custom built to suit light commercial installs. Kits consist of Seperator, Fill Valve, Expansion Tank and Pumps to suit the system. in addition HydroPak kits can be use in conjunction with Partage Box if the system is set up for two or three zone temperature use. The Kit mounts below the main unit and comes with a white powder coated cover.