The MRCOOL MCAEHFD7X1AA Signature Series Multiposition Air Handler Heat Kit is an electric heating accessory designed for compatible MRCOOL Signature Series multiposition air handlers and heat pump HVAC systems. It generates supplemental heat by converting electrical energy into warm airflow, which is distributed through the air handler to maintain indoor comfort during colder conditi... https://www.partshnc.com/mrcool-mcaehfd7x1aa-7-5kw-heat-kit