Harman Wiring Harness 3-20-08727 - pellethead Genuine OEM Harman Pellet Stove Wire Harness, Electrical Wiring. 3-20-08727. Replacement for Most Models. Guaranteed Best Price, Fastest Free Shipping! I'm Interested! Fill out the form below, and one of our reps will be in touch with you ASAP.Brand: HarmanPrice: $70 Avalon - Lopi Pellet Stove Wiring Harness Avalon / Lopi Pellet Stove - Wiring Harness #250-00017 . This is the new wire harness for all large and small PS/PI units. This harness replaces old wire harness numbers 93005013 and 100-00393 **IF USING THIS ON A LARGE PELLET UNIT PLEASE BE SURE TO USE THE EXISTING GROMMET FOR THIS APPLICATION.