this 1/2 HP programmed motor is the standard for maintaining optimal CFM output and protecting the heat exchanger from overheating due to restricted airflow

The critical difference is the lubricant

5-inch shaft length facilitate standard vertical shaft down mounting configurations common in 1/4 HP applications

a versatile fit for mid-range hydronic and steam systems

the ICP 1087623 is rated specifically for 208-230Vac

TE Connectivity T92P7A22-120 Relay 321142-301 this 1/2 HP programmed motorThe TE Connectivity T92P7A22 120 Relay is a heavy duty 30 Amp high power relay engineered for demanding HVACR and industrial applications. As a DPST NO (2 Form A) power relay, it is specifically designed to handle high inrush compressor loads and motor or heater circuits where reliability is non negotiable. This Potter & Brumfield T92 series component features a 120VAC coil with a 950 Ohm resistance, housed in a dust protected plastic case to ensure