100% secure
online shopping
On all orders!  
Continental US
Phone Hours
Mon - Fri: 9:00am - 6:00pm EST

Hearth And Home 8 Inch Diameter 12 Inch Length Chimney Pipe Straight Section for SL300 Series Vent Pipe

Starting at:
Short description:

Free Shipping on All Orders Continental United States!  Free Shipping | Ships Out Within 1-2 Weeks


8 Inch Diameter 12 Inch Length Chimney Pipe Straight Section HHT SL300 Wood Venting | SL312

The SL300 Series Venting Pipe in a 12" length is tested and listed for use with Hearth & Home Technologies wood-burning fireplaces. This straight section vent pipe is an air-cooled venting system that features a stainless steel interior pipe and a galvalume steel outer pipe, providing durable high-heat tolerance with resistance to corrosion. The double-walled chimney pipe measures 8" inside diameter by 10.5" outside diameter and snaps together and locks in place for simple installation. This wood-burning vent pipe is perfect for new installations or as a replacement.

Please Note: Do not mix pipe, fittings, or joining methods from different manufacturers.


The HHT SL300 Wood Venting Chimney Pipe Straight Section is a critical component in the ventilation system for wood-burning stoves or fireplaces. This pipe section is designed to be part of the SL300 series by Hearth & Home Technologies (HHT), a leading manufacturer of hearth products and venting solutions. The SL300 series is specifically engineered to provide safe and efficient venting for wood-burning appliances.

Key features and information about the HHT SL300 Wood Venting Chimney Pipe Straight Section:

  1. Material: These chimney pipe sections are typically constructed from high-quality stainless steel, which is known for its durability and resistance to corrosion, making it suitable for use with wood-burning appliances.
  2. Diameter: The diameter of the chimney pipe straight section can vary depending on the specific model and the requirements of your wood-burning stove or fireplace. It's important to choose the correct diameter to ensure proper venting and safety.
  3. Length: These straight sections come in various lengths to accommodate different installation needs. You can connect multiple sections together to create the necessary venting height for your setup.
  4. Double-Wall Construction: Many chimney pipe sections, including those in the SL300 series, feature a double-wall design. This design provides added insulation and safety by keeping the exterior of the pipe cooler while promoting a strong draft inside.
  5. UL Listed: It's crucial that your chimney pipe is UL (Underwriters Laboratories) listed, ensuring it complies with industry safety standards. The SL300 series typically meets these requirements.
  6. Easy Installation: These chimney pipe sections are designed for easy installation, with features like twist-lock connections or other user-friendly mechanisms to simplify the assembly process.
  7. Compatibility: The SL300 Wood Venting Chimney Pipe Straight Section is designed to work seamlessly with other components of the SL300 series, including elbows, caps, supports, and flashing, to create a complete and reliable venting system.
  8. Safety: Proper venting is critical for wood-burning appliances to ensure that harmful combustion byproducts are safely expelled from your home. Using a high-quality, well-constructed chimney pipe like the SL300 series helps maintain a safe and efficient wood-burning system.

Before purchasing and installing any chimney pipe, it's essential to consult the installation manual provided by the manufacturer and follow local building codes and regulations. This will help ensure that your wood-burning stove or fireplace operates safely and efficiently, keeping your home warm and comfortable.


  • Outer Material: Galvalume Steel
  • Inner Material: Stainless Steel
  • Vent Type: Wood Burning
  • Length: 12"
  • Inner Diameter: 8"
  • Outer Diameter: 10.5"
  • Use: Ducting and Venting
  • Durable and safe wood-burning vent pipe
  • Stainless steel inner wall, galvalume steel outer wall
  • Designed for high-heat venting conditions
  • Convenient snap lock connection for easy installation


Choosing The Perfect Venting System for Your Fireplace

To ensure security, effectiveness, and usefulness, it is crucial to select the ideal venting system for your fireplace. There are several factors to consider when selecting a venting system, including the type of fireplace, fuel source, local building codes, and your personal preferences. Here's a step-by-step guide to help you make the right choice:

Determine the Type of Fireplace:

  • Wood-Burning Fireplace: If you have a traditional wood-burning fireplace, you'll need a chimney or venting system designed to handle the combustion byproducts and smoke.
  • Gas Fireplace: Gas fireplaces can be vented through either a direct vent or a ventless (vent-free) system. Your choice will depend on local regulations and your heating needs.

Understand Venting Options:

  • Chimney: A traditional masonry or metal chimney is suitable for wood-burning fireplaces. Ensure it is in good condition and meets local codes.
  • Direct Vent: This system is commonly used for gas fireplaces. It has a sealed combustion chamber and draws fresh air from outside for combustion while expelling exhaust gases outside through a dedicated vent pipe.
  • Ventless (Vent-Free): Ventless gas fireplaces don't require a chimney or external venting. They burn gas cleanly and release heat and moisture into the room. However, they are subject to strict regulations in some areas due to air quality concerns.

Check Local Building Codes:

  • Before making a decision, check local building codes and regulations. Some areas have strict requirements for venting systems to ensure safety and air quality. Compliance with these codes is crucial.

Consider Efficiency:

  • Choose a venting system that maximizes energy efficiency. Direct vent systems are more efficient than traditional chimneys because they minimize heat loss.

Safety Considerations:

  • Safety should be a top priority. Ensure that the venting system is correctly installed and maintained to prevent carbon monoxide leaks and other hazards.

Aesthetics and Design:

  • The venting system should complement your home's design and aesthetics. It should be as unobtrusive as possible while still performing its function.

Professional Installation:

  • It's strongly recommended to have your venting system installed by a qualified professional who is familiar with local codes and regulations.


  • Regular maintenance is essential to keep your venting system working efficiently and safely. Schedule annual inspections and cleanings, especially for wood-burning chimneys.


  • Consider your budget for both the initial installation and ongoing maintenance. While ventless systems may be cheaper to install initially, they may have higher operating costs due to increased gas consumption.

Environmental Impact:

  • If you're concerned about environmental impact, consider the emissions associated with your chosen venting system. Wood-burning fireplaces, for example, can release particulate matter and other pollutants into the air.

Ultimately, your individual circumstances, such as the sort of fireplace you have, your local laws, and your own preferences for aesthetics and efficiency, will determine the ideal venting system for your fireplace. You can make a more informed choice by speaking with our experts at fireplace doors online.

A Comprehensive Guide to Buying a Fireplace Venting System

A fireplace venting system is an essential part of your fireplace that makes sure that smoke and combustion byproducts are securely removed from your home while providing a supply of fresh air for burning. Whether you're installing a new fireplace or upgrading an existing one, this comprehensive buyer's guide will help you understand the various venting options and make an informed decision.

1. Types of Fireplace Venting Systems:

There are three main types of fireplace venting systems:

  • Chimney Venting: Traditional masonry fireplaces typically have a brick or stone chimney. They rely on natural convection to draw air in and expel smoke out through the chimney. This type of venting is suitable for wood-burning fireplaces.
  • Direct Venting: This is a sealed system that draws combustion air from the outside and expels exhaust gases through a vent pipe. Direct vent fireplaces are highly efficient and can be used with various fuel types, including gas and propane.
  • Ventless or Vent-Free Venting: These fireplaces do not require a venting system, as they are designed to burn fuel cleanly enough that the combustion byproducts can be safely released into the room. They are typically gas-powered and can be installed almost anywhere.

2. Choosing the Right Type:

  • Consider Your Fuel Type: Determine whether you want a wood-burning, gas, or electric fireplace. Your fuel choice will influence the type of venting system you need.
  • Efficiency and Convenience: Direct vent and ventless fireplaces are typically more energy-efficient and easier to install than traditional chimneys. Consider your preferences for convenience and energy efficiency.

3. Sizing and Location:

  • Calculate Heating Needs: Determine the heating capacity you need based on the size of the room or area you want to heat. This will help you choose an appropriately sized fireplace and venting system.
  • Location: Decide where you want to install your fireplace. The location may impact the type of venting system you can use and the venting route.

4. Venting Materials:

  • Chimney Materials: If you're using a traditional chimney, consider the type of materials you want for its construction, such as brick, stone, or metal flue liners.
  • Vent Pipe Material: For direct vent fireplaces, the vent pipe is typically made of aluminum or stainless steel. Ensure the materials are suitable for your fuel type and meet local building codes.

5. Installation and Safety:

  • Professional Installation: Proper installation is crucial for safety and performance. Hire a certified technician or contractor experienced in fireplace venting systems.
  • Clearances: Ensure proper clearances to combustibles are maintained as per the manufacturer's guidelines and local building codes.

6. Venting Accessories:

  • Termination Caps: These protect the vent opening from weather and pests.
  • Chimney Liners: If you have a masonry chimney, consider installing a stainless steel liner to improve efficiency and safety.

7. Maintenance and Cleaning:

  • Regular Inspections: Schedule regular inspections and cleaning to ensure your venting system is functioning correctly and free from debris or blockages.

8. Legal and Safety Considerations:

  • Local Codes and Regulations: Check with your local authorities to ensure compliance with building codes and regulations regarding fireplace venting.
  • Carbon Monoxide Detectors: Install carbon monoxide detectors in your home, especially if you have a gas fireplace.

9. Budget Considerations:

  • Initial Cost: Consider both the upfront cost of the fireplace and venting system, as well as the ongoing operating costs (fuel, maintenance, etc.).

10. Aesthetics:

  • Design and Style: Choose a venting system that complements your home's aesthetic and blends well with your interior design.

Remember that safety should always be your top priority when selecting and installing a fireplace venting system. Consult with professionals and follow manufacturer guidelines and local regulations to ensure a safe and efficient installation.


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.

No posts found

Write a review

Click on the Add New button below to submit a question about this product. Please ONLY submit product questions. For all other inquiries, please contact us at 1-888-986-1535.

Last updated on March 22nd 2024.



Share on Social Media!
 Share on Facebook Share on Twitter Save this product on Pintrest!