By circulating the room air through the stove’s heat exchanger the stove provides heat to the room. The Criditpid 3-21-33647 Convection Blower is an excellent replacement for Harman pellet stove models. Volts: 115 V. Amps: 0.74 A. Cycles: 60 Hz. Wire Length: 21″ with ¼” Female Terminal. Replacement for Part Number. 3-21-22647, 3-21-33647, PP7313, AMP20146. Harman Pellet Stoves Models: P38, P38+, P43, P43-C, P61, P61A, P61-C, P68, P68-C, PC45, Pellet Pro II, Absolute 63, Accentra 52i, Accentra 52i TC, Advance, Allure 50, DVC 500, Invincible RS, Invincible T. Harman Wood & Coal Stoves Models: DVC 500, Mark I. Harman Gas Stoves Models: BVG, Clarity 929 B-Vent, Clarity 929 DV, DVG, 44 Magnum.