The high quality Whirlpool Compressor Start Relay (WP2319792 ) attaches to the compressor and helps start the compressor motor. The Compressor Start Relay is rated at 115/127V and 60Hz and replaces 2255198, 2319792. Please be aware that it is recommended to use saftey equipment and to disconnect the appliance from all utilities prior to any service or repair. Please refer to your owners manual to confirm part numbers and for instructions as some repairs require a trained service professional to complete.