MRCOOL MCAEHFD7X1AA Signature Series Multiposition Air Handler Heat Kit is an electric heating accessory designed to provide supplemental heat for compatible air handler systems. It works by using electric resistance heating elements to generate warm air, which the air handler circulates through the ductwork to maintain comfortable indoor temperatures during colder conditions. Designe... https://www.partshnc.com/mrcool-mcaehfd7x1aa-7-5kw-heat-kit