The MRCOOL MVPHK15 VersaPro & Hyper 2nd Gen Heat Kit is an electric heating accessory designed for compatible MRCOOL VersaPro and Hyper 2nd Gen air handlers. It uses integrated electric heating elements to provide supplemental heat when additional heating capacity is required during colder conditions. Designed for use with compatible heat pump systems, the kit supports dependable indo... https://www.partshnc.com/mrcool-15kw-heat-kit-mvphk15