Majestic CAK4A Chimney Air Kit for 300 Series Chimney Systems
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Majestic CAK4A Chimney Air Kit for 300 Series Chimney Systems

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Have you considered an outside air kit for your chimney? It is an optional field-installed accessory that is highly recommended. This feature is designed to reduce the results of continued negative pressure within the chimney. The Majestic CAK4A Chimney Air Kit is what you need if you have a 300 series chimney system. This chimney air kit only weighs 5 pounds. Installing it is a very simple process, but its effectiveness can lengthen the life of your chimney. When installing the Majestic CAK4A Chimney Air Kit, use the shortest duct; this allows for the best performance of the outside air kit.


  • Chimney outside air kit
  • Designed for 300 series chimney systems
  • 5 pounds
  • Majestic CAK4A
  • Optional accessory

Data Sheet


Product Type:
Fireplace Blower

Shipping & Returns

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.