MRCOOL MVPHK08 VersaPro & Hyper 2nd Gen Heat Kit 8 kW is an electric heating accessory designed to provide supplemental or emergency heat for compatible HVAC systems. It works by using electric resistance heating elements to generate warm air, which is distributed through the connected air handler and ductwork. Designed for use with MRCOOL VersaPro and Hyper 2nd Generation air handler... https://www.partshnc.com/mrcool-8kw-heat-kit-mvphk08