The MRCOOL GCIK-CL4T-SM GeoCool 4 Ton Geothermal Installation Kit is a complete installation accessory designed to support the proper setup of compatible 4-ton GeoCool geothermal heat pump systems. It includes essential components that facilitate secure connections and efficient circulation between the geothermal unit and the ground loop, ensuring reliable system operation. Specifical... https://www.partshnc.com/mrcool-geocool-geothermal-installation-kit-gcik-cl4t-sm