Harman Distribution Convection Blower. Our Pellethead PH-29145 is a top quality replacement convection blower, distribution fan for Harman pellet stoves. This motor is the correct replacement for the Harman Accentra Cast Freestanding, P35i fireplace insert, XXV, and XXV-TC stove models. This motor replaces HHT factory part numbers 1-00-29145 and 3-21-29045….