Crown Engineering 10034 Spring Coupler 320788-703 this is an Eon ECM

this is an Eon ECM intended for variable speed systems and is not a direct substitute for X13 or constant torque motors unless specified by the manufacturer

this unit integrates a built-in sensitivity adjuster to eliminate harmonic vibration often found in critical flow HVAC steam systems

When replacing a Utica boiler LWCO

As a genuine OEM Reznor fan motor

It is compatible with B100 or B400 Series adapter bases

Crown Engineering 10034 Spring Coupler 320788-703 this is an Eon ECMThe Crown Engineering 10034 Spring Coupler is a heavy duty 1HP EasyLink power transmission component designed for high torque HVACR and industrial pumping applications. Engineered for precision and longevity, this spiral spring pump coupler features a 5 8" x 5 8" bore configuration and is built to absorb start up torque, protecting the motor and pump shaft from premature wear. As a critical oil burner motor coupling, it ensures a seamless mechanical