Anti- Back Draft Damper

Specifically designed for use with Norseman add-on furnaces, model 1500 or 2500, this damper prevents chimney back drafts. It also aids in starting the stove to get the draft going faster. Installation is fast and easy.

Exterior foam gasket forms a tight seal within heat duct Spring activated for proper functioning Highly recommended for proper furnace installation Prevents back draft from returning to the furnace plenum Easy installation!