HHT Chimney Air Kit for SL300 Series Chimney Systems | CAK4A
Product details
| Management number | 232886091 | Release Date | 2026/06/21 | List Price | US$28.72 | Model Number | 232886091 | ||
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HHT Chimney Air Kit for SL300 Series Chimney Systems | CAK4A
Enhance Chimney Efficiency with Proper Airflow Control
The HHT CAK4A Chimney Air Kit ensures safe, efficient airflow for SL300 chimney systems. Built to UL 127 standards for lasting performance.
Key Features
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Designed exclusively for SL300 series chimney systems
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Tested and listed to UL 127 and ULC S610 standards
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Includes chimney air box, vent hood, wire ties & hardware
Product Features
Complete Chimney Air Kit
Includes air box assembly, outside air inlet vent hood with stucco flange, wire ties, and installation hardware.
Optimized Airflow Performance
Supports proper air circulation within the chimney system, reducing the risk of overheating and improving fireplace efficiency.
Tested & Certified Safety
UL 127 and ULC S610 certified for Hearth & Home Technologies fireplaces, ensuring compliance and safe operation.
Flexible Installation Options
Can be installed on standard or see-through fireplaces; accommodates different venting requirements and duct routing.
Cold Climate Protection
Supports the use of P-traps and insulated ducting to prevent backdraft and maintain performance in cold-weather installations.
Product Specifications
| Specification | Details |
|---|---|
| Manufacturer | Hearth & Home Technologies (HHT) |
| Model Number | CAK4A |
| Compatibility | For SL300 series chimney systems only |
| Kit Includes | Chimney air box assembly, inlet vent hood (with stucco flange), 2 wire ties, hardware package |
| Duct Connection | 4" Class 0 or Class 1 duct (UL181 approved) |
| Vent Hood Placement | Min. 4 ft above ground; if in chase, 3 ft below chimney top |
| Certification | UL 127, ULC S610 |
| Recommended Accessories | Insulated ducting for colder climates; P-trap installation recommended |
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.
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