this switch provides superior reliability in demanding environments with operating temperatures ranging from 35 to 150°F

This part is standard in many Copper-Fin and early-model commercial water heaters

replacing a worn element with this HVAC OEM replacement part is essential for system longevity in cold-weather environments and year-round heat pump service

Reduced Noise: Minimizes audible harmonics and "chattering" common with non-OEM or misaligned aftermarket wheels

Common Questions What are the exact dimensions of this vertical pan

Lochinvar & A.O. Smith 100277758 Impeller 320788-704 this switch provides superior reliabilityThe 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