The Heatcraft 2151461 start capacitor helps provide the initial electrical boost needed to start compatible refrigeration compressor motors. It temporarily stores and releases electrical energy to support the motor during startup, helping it overcome initial resistance and begin operating. Once the motor reaches its required operating speed, the capacitor is taken out of the starting ... https://partsfe.ca/heatcraft-2151461-start-capacitor/2-2151461.html