The MRCOOL MCAEHFD7X1AA Signature Series Multiposition Air Handler Heat Kit is an electric heating accessory designed for compatible MRCOOL Signature Series multiposition air handlers. It operates by converting electrical energy into heat, which is distributed through the air handler’s blower to provide supplemental warmth throughout the conditioned space. This heat kit supports relia... https://www.partshnc.com/mrcool-mcaehfd7x1aa-7-5kw-heat-kit