The MRCOOL MVPHK05 5kW Heat Kit is a supplemental electric heating accessory designed for compatible VersaPro® 2nd Gen HVAC systems. It works by converting electrical energy into heat through integrated resistance elements, providing additional warmth when outdoor temperatures reduce heat pump efficiency. Commonly used with air handlers and heat pump systems, this heat kit helps maint... https://www.partshnc.com/mrcool-5kw-heat-kit-mvphk05