The MRCOOL MDPHK-10 is a 10kW electric heat kit designed for compatible MRCOOL DC inverter packaged HVAC units. It works by using electric heating elements to generate supplemental heat, which is then distributed through the system’s air handler to provide comfortable indoor temperatures during colder weather. This heat kit is ideal for packaged heat pump systems requiring additional ... https://www.partshnc.com/mrcool-10kw-electric-heat-kit-mdphk-10