The Carrier HK42ER224 1/3 HP Blower Motor Module drives the blower assembly to circulate conditioned air through the heating and cooling system. This replacement motor module operates by converting electrical power into mechanical rotation, moving the blower wheel to distribute air through the connected ductwork. It works with the system's electrical components to support proper airfl... https://www.hnkparts.com/carrier-hk42er224-1-3hp-blower-motor-module-91590/4-HK42ER224.html