This Harman 3-20-23139 Combination Fan & Limit Control Switch is an exact replacement part that fits the following stoves: Harman pellet stove furnace PF100, PF120 Harman coal / wood furnace SF1500A, SF2500A, SF2600SS, SF3500A Heatilator Eco-Choice pellet stove furnace BA100 May fit other models… Consult your owner’s manual. USERS’ USE OF THE PRODUCT IS AT THEIR SOLE RISK.