Brand New in Box. 1184509 1186827 – OEM ICP Heil Tempstar Comfortmaker x13 MOT BL 1/2HP 115V. This is a Brand New OEM ICP/Heil/Tempstar/Comfortmaker x13 Furnace Blower Motor. The motor is rated at 1/2 HP, 115 volts and 1200 RPM. Shaft – 0.5 x 3.92.