Overview Product Description 115 Volts 0.78 Amps 1500 RPM Thermally Protected CWSE Rotation 2.688" Diameter 5/16" x 2"-1/4" Shaft 4 1in studs-shaft end 3 wire leads 36" CROSS REFERENCES: 9F10227A, 12751, 7163-9051, 71639051, 8353910330 OEM direct replacement for Modine HSB18 Hydronic Unit Heater Product Videos Custom Field Product Reviews