this motor is the direct factory replacement for the KFD-280-60-8C model

Inherent Protection: Features inherently limited circuitry to protect against short circuits and overloads without requiring manual reset breakers

Common signs include erratic superheat readings

Class F insulation and a 42Y frame for reliable operation in demanding ventilation environments

Always verify the shaft diameter and rotation direction before installation

Armstrong Fluid Technology 807436-001 Coupler 326058-758 this motor is the directThe Armstrong Fluid Technology 807436 001 Coupler is a precision engineered flex coupler designed to facilitate efficient power transmission in industrial and commercial pumping systems. This genuine OEM replacement part features a 1 2" x 1 2" bore configuration, specifically developed for use with Armstrong 1050 series pumps and H Series models including H 51, H 52, H 53, and H 54. As a direct armstrong pump repair solution, the 807436 001 is the