DDW

Experience Ultimate Safety and Efficiency with DDW Double-Wall Stovepipe by Duravent

Product Description

Enhance your fireplace experience with the Duravent DDW Double-Wall Stovepipe – the epitome of safety, durability, and efficiency. This innovative stovepipe is designed to connect wood stoves to chimneys, ensuring a seamless and worry-free heating solution for your home.

Product Features

Safe, Durable, and Efficient: Successfully tested to 2100°F at a 6-inch clearance from combustible materials, providing peace of mind.
Corrosion-Resistant Stainless Steel: Inner liner ensures better protection of the exterior finish.
Maximum Heat Recovery: Outer wall with openings allows for optimal recovery of heat from flue gases.
Installation Ease: Can be safely installed as close as 6 inches to combustible materials, offering flexibility for all stove types.
Telescopic Design: Adjustable from 3-1/2 feet to 5-1/2 feet, saving time and material costs during installation.
Versatile Diameters: Available in 6, 7, and 8 inches to suit various stove sizes.
Long-Lasting Assurance: Backed by Duravent’s limited lifetime warranty.
Applications:
Ideal for connecting wood stoves and other solid-fuel appliances to manufactured chimneys.

Inner Wall: .016″ stainless steel
Outer Wall: .018″ galvanized outer, painted black
Clearances: 6” clearance to walls and ceilings
Diameters: 6”, 7”, 8”
Listings: Listed to ULC S641

DDW

Product Specifications

Material:

Inner Wall: 0.016″ stainless steel
Outer Wall: 0.018″ galvanized outer, painted black
Temperature Rating:

Max Continuous: 1000°F
Brief Forced Fired: 1400°F
30 Minutes Tested: 2100°F at a 6-inch clearance from combustible materials
Corrosion Resistance:

Inner liner made of corrosion-resistant stainless steel for enhanced durability and heat resistance.
Clearances:

6 inches clearance to walls and ceilings, providing installation flexibility.
Diameters:

Available in 6 inches, 7 inches, and 8 inches to accommodate various stove sizes.
Listings:

Listed to ULC S641 standards.
Installation:

Safe to be installed as close as 6 inches to combustible materials.
Telescopic design extends from 3-1/2 feet to 5-1/2 feet, eliminating the need for cutting and allowing easy adjustment to application.
Efficiency:

Outer wall features a series of openings that allow for maximum recovery of heat from flue gases, almost as efficient as a single-wall black pipe.
Warranty:

Limited lifetime warranty, ensuring long-lasting assurance and peace of mind.
Applications:

Double-wall interior stovepipe designed for connecting wood stoves and other solid-fuel appliances to manufactured chimneys.
Usage Recommendations:

Do not burn sea driftwood or treated wood as salt and chemical components can be highly corrosive to stainless steel.
Regular chimney inspection and cleaning recommended to minimize creosote formation.
For coal burning, use low sulfur coals (less than 1% sulfur) to protect the chimney connector.

Installation Options

Straight Installation:

Ideal for most applications.
Maintain a minimum clearance of 6 inches between the stove connector and any combustible material.
Use telescopic lengths for straightforward installations.

Cathedral Ceiling Installation:

Suitable for installations with high ceilings.
The maximum vertical length (no elbows) of the double-wall black connector is recommended to be 20 feet.
Adjust the telescopic lengths according to your cathedral ceiling requirements.

Through-the-Wall Installation:

Perfect for installations where the stovepipe needs to pass through a wall.
Ensure a minimum clearance of 6 inches between the stovepipe and combustible material.
Use decorative collars and trim collars for a polished finish.

Elbow Offset & Rise Options:

When offsetting flue is necessary, use elbow configurations with specified rise and length between elbows.
Follow the provided chart for recommended dimensions.

Telescopic Design:

The telescopic double-wall black pipe extends from 3-1/2 feet to 5-1/2 feet.
No need to predetermine lengths, allowing flexibility during installation.
Time-saving and cost-effective solution.

Fuel Types

Wood

Fuel Type Application

The Duravent DDW Double-Wall Stovepipe is designed for use with wood stoves and other solid-fuel appliances. It is specifically crafted to connect these appliances to manufactured chimneys. The recommended fuel type for this stovepipe includes traditional wood logs and other solid fuels commonly used in wood-burning stoves.

Clearances and Cavity Measurements

Clearances:

Maintain a minimum clearance of 6 inches between the Duravent DDW Double-Wall Stovepipe and walls or ceilings.
Follow this clearance requirement for combustible materials to ensure safe and proper installation.
Always adhere to the specified clearances to prevent potential fire hazards.
Telescopic Design:

The telescopic double-wall black pipe extends from 3-1/2 feet to 5-1/2 feet.
This adjustable length eliminates the need for cutting, providing flexibility during installation.
The telescopic design allows for easy adaptation to different applications.
Elbow Offset & Rise Chart:

When offsetting flue is necessary, refer to the provided Elbow Offset & Rise Chart.
The chart specifies dimensions for elbow offset and rise based on the length between elbows.
Use this chart to determine the appropriate configuration for your installation needs.

Installation Key Measurements:

Use the following key measurements for various installation scenarios:
Insulated Chimney (1)
Finishing Support/Ceiling Support (2)
Telescopic Length (3)
Appliance (4)
Storm Collar (5)
Roof Flashing (6)
Round Ceiling Support (7)
Double Wall Lengths (8)
Insulated Wall Thimble (9)
Decorative Collar (10)
Elbow (11)
Wall Support (12)
Insulated Tee (13)
Insulated Chimney Flue Extension (14)

Warranty

Limited warranty

Product Highlights

The DDW by Duravent Fireplaces stands out as a top-tier solution for connecting wood stoves to chimneys in Canada. Packed with safety features, durability, and efficiency, it has become a preferred choice among customers demanding peace of mind.

Designed for optimum safety, the DDW has been rigorously tested to withstand temperatures up to 2100°F at a 6-inch clearance from combustible materials. With a temperature rating of 1000°F max continuous, 1400°F brief forced fired, and the robust 2100°F 30 minutes tested capability, this stovepipe ensures a high level of protection. The inner liner, crafted from corrosion-resistant stainless steel, enhances the exterior finish’s longevity, providing customers with long-lasting assurance.

The outer wall of the DDW features strategically placed openings that facilitate maximum heat recovery from flue gases. This design not only ensures efficient performance but also contributes to maintaining a low surface temperature. The stovepipe’s efficiency is comparable to that of a single-wall black pipe, making it a smart choice for those seeking both safety and energy efficiency.

Duravent understands the importance of hassle-free installations. The DDW offers a 6-inch clearance to walls and ceilings, providing greater flexibility in positioning. Available in diameters of 6, 7, and 8 inches, this stovepipe is compatible with various stoves. The telescopic design eliminates the need for determining lengths, cutting, and guesswork during installation, saving both time and material costs.

The telescopic Double-Wall black pipe, extending from 3-1/2 feet to 5-1/2 feet, is a standout feature. Its adjustability to different applications ensures a seamless fit without the need for extensive planning or modifications. The exclusive twist-lock assembly further streamlines the installation process, allowing for fast and easy setup with just a 1/8-inch turn.

Duravent stands behind the durability and quality of the DDW with a limited lifetime warranty. This warranty offers customers confidence and peace of mind, emphasizing the brand’s commitment to delivering long-lasting, reliable products.

Company Overview for Manufacturer

Duravent Fireplaces, a leading player in the heating and ventilation industry, is renowned for its innovative and reliable venting solutions. With a commitment to excellence, Duravent has established itself as a trusted manufacturer, producing high-quality products that cater to the diverse needs of the fireplace and stove market.

Founded with a vision to revolutionize the way heating appliances are vented, Duravent Fireplaces has consistently adhered to the principles of safety, durability, and efficiency. Since its inception, the company has focused on engineering venting systems that not only meet industry standards but also exceed customer expectations.

Duravent Fireplaces boasts a comprehensive product portfolio that includes a wide range of venting solutions for fireplaces, stoves, and other heating appliances. From double-wall stovepipes like the DDW to chimney systems like DuraTech® and PelletVent Pro®, Duravent’s offerings cater to both residential and commercial applications. The company’s dedication to product innovation ensures that its venting solutions align with evolving industry requirements.

One of the cornerstones of Duravent’s success is its unwavering commitment to safety. All products, including the DDW Double-Wall Stovepipe, undergo rigorous testing to meet and exceed safety standards. Duravent’s commitment to compliance is evident in its listings to relevant safety standards, providing customers with the assurance that they are investing in products designed for their well-being.

Duravent Fireplaces places a strong emphasis on customer satisfaction. The company not only provides high-quality products but also offers excellent customer support. Whether it’s installation guidance, product information, or post-purchase assistance, Duravent’s customer service team is dedicated to ensuring a positive experience for customers at every stage.

Recognizing the importance of environmental responsibility, Duravent integrates eco-friendly practices into its manufacturing processes. The company strives to minimize its carbon footprint and promote sustainability in the industry. This commitment aligns with the broader goal of creating venting solutions that are not only efficient but also environmentally conscious.

Duravent Fireplaces has expanded its influence beyond national borders, making its mark on the global stage. With manufacturing and distribution centers in the USA, Canada, and Mexico, Duravent has established a robust presence, ensuring that its products reach customers worldwide.

FAQs

Q: Is the DDW by Duravent Fireplaces suitable for connecting wood stoves to chimneys?
A: Yes, the DDW is specifically designed for connecting wood stoves to chimneys.

Q: What is the maximum temperature the DDW stovepipe can withstand?
A: The DDW stovepipe has been successfully tested to 2100°F at a 6-inch clearance from combustible materials.

Q: Does the DDW stovepipe have a corrosion-resistant inner liner?
A: Yes, the inner liner of the DDW stovepipe is made of corrosion-resistant stainless steel.

Q: What is the outer wall of the DDW stovepipe designed for?
A: The outer wall features openings for maximum heat recovery from flue gases and maintains a low surface temperature.

Q: What diameters are available for the DDW stovepipe?
A: The DDW stovepipe is available in diameters of 6, 7, and 8 inches.

Q: Can the DDW stovepipe be installed close to combustible materials?
A: Yes, it can be safely installed as close as 6 inches to combustible materials, providing greater installation flexibility.

Q: Is there a telescopic design for the DDW stovepipe?
A: Yes, Duravent offers a telescopic Double-Wall black pipe that extends from 3-1/2 feet to 5-1/2 feet for easy adjustment.

Q: What is the temperature rating for the DDW stovepipe?
A: The temperature rating is 1000°F max continuous, 1400°F brief forced fired, and 2100°F for 30 minutes tested.

Q: Is the DDW stovepipe compatible with all types of stoves?
A: Yes, the DDW stovepipe is designed to be used with all types of stoves.

Q: What is the exclusive twist-lock assembly feature for the DDW stovepipe?
A: The exclusive twist-lock assembly requires no screws or attachments, ensuring fast and easy installation with a simple 1/8-inch turn.

Q: What is the warranty period for the DDW stovepipe?
A: Duravent provides a limited lifetime warranty for the DDW stovepipe.

Q: Can the DDW stovepipe be used with manufactured chimneys?
A: Yes, the DDW stovepipe is suitable for connecting wood stoves to manufactured chimneys.

Q: What is the clearance requirement between the stove connector and combustible material?
A: The clearance must not be less than 6 inches between the stove connector and any combustible material.

Q: Can the DDW stovepipe be used with coal?
A: It is recommended to burn only low Sulphur coals (less than 1% Sulphur) to protect the chimney connector.

Q: What is the purpose of the telescopic design for the DDW stovepipe?
A: The telescopic design allows for easy adjustment to the application, eliminating the need to predetermine lengths or cut the pipe.

Q: How should creosote formation in the chimney be minimized?
A: Creosote formation can be minimized by keeping the temperature of the gases above 300ºF and making small, hot fires.

Q: What is the offset and rise chart for elbows in the DDW stovepipe?
A: The offset and rise chart provides measurements for different elbow configurations, indicating the length between elbows.

Q: Can the DDW stovepipe be used with sea driftwood or treated wood?
A: No, burning sea driftwood or treated wood is not recommended, as salt and chemical components are highly corrosive to stainless steel.

Q: What is the purpose of the damper in the DDW stovepipe?
A: The damper connects the pipe to the appliance flue outlet and is required for chimney draft control.