Harman Pellet Stove Flame Guide Extension for the Harman P35i. The Flame Guide Extension is designed to sit behind the main flame guide. The purpose of this part is to better distribute the flame over the heat exchanger and protect the rear panel of the insert from cracking and warping.
Note: The Flame Guide Extension was implemented on the P35i Pellet Insert on June 19, 2012, with product serial #8653368. The Extension can be installed in P35i units prior to that serial number.