Lochinvar & A.O. Smith 100277758 Impeller 321702-401 this motor is designed to

this motor is designed to withstand the rigorous demands of continuous-duty cycles in harsh outdoor environments

Pilot-operated disc construction ensures high flow capacity and reliable operation in suction line service

Reliable Connectivity: The screw terminal block and 10-foot lead minimize signal loss and point-of-failure risks during field installation

Industrial Durability: Built with a conformal coating to protect internal circuitry against moisture and vibration

Lochinvar & A.O. Smith 100277758 Impeller 321702-401 this motor is designed toThe Lochinvar & A. O. Smith 100277758 Impeller is a precision engineered 4. 75 inch plastic component designed for high efficiency hydraulic systems. As the 100277758 direct replacement for 100133559, this part ensures seamless compatibility with Lochinvar boiler pump systems and A. O. Smith water heaters. For technicians servicing high efficiency fire tube boilers or commercial water heaters, maintaining proper fluid velocity is critical for heat