The MRCOOL GCIK-CL6T-SM GeoCool 6 Ton Closed Loop with Straight Manifold Installation Kit is a geothermal system accessory designed to simplify the installation of compatible GeoCool geothermal heat pump systems. It works by providing the necessary manifold and connection components to efficiently circulate heat-transfer fluid through a closed-loop ground system, enabling effective he... https://www.partshnc.com/mrcool-geocool-6-ton-closed-loop-installation-kit-gcik-cl6t-sm