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.
- Prevents back draft from returning to the furnace plenum
- Highly recommended for proper furnace installation
- Spring activated for proper functioning
- Easy installation
- Complete assembly installs into 8 in. heat duct
- Exterior foam gasket forms a tight seal within heat duct