the motor has likely reached its thermal limit or suffered a bearing failure

those must be sourced separately as part of a complete rebuild kit like the MA559

an AM-116 splined actuator crank

and navigation keys during low-light troubleshooting

provided the appropriate gas valve and orifices are installed

Lennox 17K71 Circuit Breaker 319848-301 the motor has likely reachedThe Lennox 17K71 Circuit Breaker (Model 17K7101) is a high performance 2 pole 45A common trip breaker designed for critical circuit protection in residential and commercial HVACR equipment. This 120 240V overcurrent protection device is engineered to safeguard compressors and fan motors from electrical faults, effectively preventing damage caused by short circuits or sustained thermal overloads. As a veteran grade HVAC replacement part, it ensures the