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Hearthstone Mansfield 8011 - Outside Air Adapter (90-57004)
Hearthstone Mansfield 8011 – Outside Air Adapter (90-57004)



Hearthstone Mansfield 8011 – Outside Air Adapter (90-57004)


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This is the official Outside Air Adapter for the HearthStone  Mansfield 8011 wood stove.  This is a genuine part from HearthStone Fireplaces that ships new in original packaging.  This is not an aftermarket part.

Part Number: 90-57004

Hearthstone Part Description: An adapter that connects to select Hearthstone wood stoves to allow for a source of outside air.  Sometimes Hearthstone wood stoves have a hard time drafting, and connecting an outside air feed direct can help them breathe more.  The venting components are not included, this is the adapter only.

Please note: You will also require other components to make this work: Including a 3″ flex, insulation wrap, and outside hood.  WoodChimney has these parts a kit if you would like.

Applicable HearthStone Models:

  • Hearthstone Mansfield 8011

This HearthStone Outside Air Adapter comes with installation instructions.

This genuine HearthStone Outside Air Adapter is special order and cannot be returned.

Additional information

Weight 5 lbs
Dimensions 24 × 16 × 8 in


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