HHT Chimney Air Kit for SL1100 Series Chimney Systems | CAK8A
Improve Fireplace Efficiency with Proper Chimney Airflow
The HHT CAK8A Chimney Air Kit provides safe, reliable outside air intake for SL1100 chimney systems.
Key Features
- Designed for SL1100 chimney pipe systems
- Required in Canada for proper fireplace installation
- Includes chimney air box, vent hood, wire ties, and hardware
Product Features
Easy Installation
Kit includes pre-engineered parts for fast, straightforward installation on compatible HHT fireplaces.
Safe & Code-Compliant
Meets UL 127 and ULC S610 standards for wood-burning fireplace installations.
Complete Kit Components
Includes a chimney air box assembly, outside vent hood, duct connections, and hardware for secure installation.
Reliable Outside Air Supply
Prevents negative air pressure by delivering fresh outside air directly into the chimney system.
Broad Fireplace Compatibility
Supports a wide range of fireplaces.
Product Specifications
| Specification |
Details |
| Model / Part Number |
CAK8A |
| Manufacturer |
Hearth & Home Technologies (HHT) |
| Compatibility |
SL1100 chimney systems |
| Required In |
Canada (per installation codes) |
| Certifications |
UL 127, ULC S610 |
| Components Included |
Chimney air box assembly, outside air vent hood, 2 wire ties, hardware |
| Duct Size |
4" (Class 1 metallic duct, not to be compressed or deformed) |
| Vent Hood Placement |
Minimum 6 ft. above ground, or 3 ft. below chimney top when in a chase |
| Compatible Fireplaces |
Ashland 42, Birmingham 42, Rutherford 42, ODCastleWD 42 |
Warranty
HHT Limited Warranty
Hearth & Home Technologies LLC (“HHT”) extends the following warranty for wood hearth appliances (each a “Product” and collectively, the “Product(s)”) and certain component parts outlined below (“Component Part(s)”) when purchased from an HHT authorized dealer or distributor.
| Warranty Period |
Component Parts Covered by this Warranty |
| 1-Year Components Only |
All purchased replacement parts and optional accessories |
See the full HHT Limited Lifetime Warranty for complete terms, conditions, and exclusions. Coverage applies to products at the original installation site and may vary by component.
Skip to content
