Chimney Outside Air Kit for SL1100 and SL400 Series Wood Pipe - 11-Inch Inner Diameter

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  • Chimney Outside Air Kit
  • CAK8A Chimney Outside Air Kit Specs
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Product Specifications:

  • Vent Type: Wood Burning
  • Length: 14"
  • Width: 14"
  • Height: 5 1/4"
  • Inner Diameter: 11"
  • Outer Diameter: 13"
  • Includes: Chimney Air Box Assembly | Outside Air Inlet Vent Hood | 2 Wire Ties | Hardware
  • Required: Class 1 Flex Duct
  • Use: Ducting and Venting

The Chimney Air Kit for SL1100 and SL400 Series Pipe is a recommended addition to select Hearth & Home Technologies wood-burning fireplace systems. A chimney air kit is required in Canada for all chimneys. The chimney air kit is designed to reduce negative air pressure buildup within the chimney. By helping the air to flow easily from inside the chimney to the outside of the home, the chimney outside air kit can boost the performance of the fireplace.

Please Note: The CAK series chimney air flow kits are required in Canada.

Product Features:

  • Easy installation
  • Extends the life of the chimney
  • Reduces negative pressure within the chimney
  • Designed to be used with SL1100 and SL400 Series chimney pipe
  • Required accessory for wood-burning appliances installed in Canada

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Warranty Information


Hearth & Home Technologies LLC (“HHT”) extends the following warranty for HHT gas, wood, pellet and electric hearth appliances (each a “Product” and collectively, the “Product(s)”) and certain component parts set forth in the complete downloadable PDF in the product description(“Component Part(s)”) that are purchased from a HHT authorized dealer or distributor.

WARRANTY COVERAGE: HHT warrants that the Products and their Component Parts will be free from defects in materials and workmanship for the applicable period of Warranty coverage set forth in the table found in the downloadable PDF in the product description (“Warranty Period”). If a Product or Component Parts are found to be defective in materials or workmanship during the applicable Warranty Period, HHT will, at its option, repair the applicable Component Part(s), replace the applicable Component Part(s), or refund the purchase price of the applicable Product(s). The maximum amount recoverable under this Warranty is limited to the purchase price of the Product.

This Warranty is transferable from the original purchaser to subsequent owners, but the Warranty Period will not be extended in duration or expanded in coverage for any such transfer. This Warranty is subject to conditions, exclusions, and limitations as described below.

WARRANTY PERIOD: Warranty coverage begins at the date of installation. In the case of new home constructions, Warranty coverage begins on the date of first occupancy of the dwelling or six months after the sale of the Product(s) by an independent, authorized HHT dealer or distributor, whichever occurs earlier. However, the Warranty coverage shall commence no later than 24 months following the date of Product shipment from HHT, regardless of the installation or occupancy date.

The term “Lifetime” in the downloadable PDF in the product description is defined as: 20 years from the beginning date of warranty coverage for gas appliances, 10 years from the beginning date of warranty coverage for wood and pellet appliances, and 5 years from the beginning of warranty coverage for standalone gas log sets. These time periods reflect the minimum expected useful lives of the designated Component Parts under normal operating conditions.

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