IC301C Fit, form and functional replacement of Goettl 305007, ICM DFOSP24A2 and Rheem 47-21776-06 defrost control 10-min fixed Pin selectable 30/50/90-min interval times Mfg. #: ICM301C; OEM Replacement for: Lennox: 86G16; Rheem: 47-21776-06; ICM: DFOSP;