Quadra-Fire, Heatilator, Pleasant Hearth & PelPro Exhaust Motor Assembly. Genuine OEM replacement HHT exhaust blower assembly. This blower assembly is also referred to as the combustion blower, exhaust fan, or draft motor. This will be the correct replacement exhaust blower for the Heatilator PS35, PelPro PP60, PP70, PP130, PP150, PPC90,…