NuTone S97017648 Heater Motor Assembly Genuine NuTone S97017648 Heater motor assembly This motor assembly fits the following, current NuTone Broan heater models: 605RP, 660RP, 665RF, 665RP, 665RSP This is the replacement heat motor assembly for the NuTone 89306000 heat motor New metal heater assembly will not work with the old style, plastic housing