CVS

Experience Warmth Redefined: Explore CVS by Duravent Fireplaces for Cozy Comfort!

Product Description

Elevate your home with the CVS by Duravent Contemporary Hearth Series. Immerse yourself in the perfect blend of modern design and cutting-edge technology, creating an inviting atmosphere for you and your loved ones.

Product Features

SmartHeat Technology: Effortlessly control the temperature and ambiance with smart technology.
Sleek Design: Aesthetically pleasing, our fireplaces seamlessly integrate with your decor.
Energy Efficiency: Enjoy warmth without compromising on energy consumption.
Customizable Flame Settings: Set the mood with adjustable flame colors and intensity.
Safety First: Built-in safety features for worry-free operation.
Easy Installation: Designed for hassle-free setup, ensuring you enjoy your fireplace sooner.

CVS

Product Specifications

Designed for use with condensing natural gas or propane appliances (Categories II, III, and IV).
Suitable for Canada’s Type BH Gas Vent Systems with a maximum rated operating temperature of 500°F.
Compatible with stoves and inserts of Type L gas, pellet, oil, corn, and biofuel (Rated for continuous use up to 570°F).
Versatile applications include gas boilers, warm air furnaces, water heaters, unit heaters, tankless water heaters, pellet stoves, direct vent gas or propane stoves, heaters, and fireplaces.

Unitized concentric construction for durability and ease of installation.
Inner Wall: Laser-welded UL approved 444 super-ferritic stainless steel with a thickness of .012″.
Outer Wall: Laser-welded, paintable, zincalume with a thickness of .018″.
Silicone O-ring seals on inner liner and outer wall ensure a secure, gas-tight connection.
Precision twist-lock connection on the outer wall for a reliable and efficient setup.

Listed to 0” clearance as a double-wall vent system for Category II, III, and IV appliances.
Requires 1” clearance to combustibles when used with pellet fuel.
Clearance to combustibles when used as a concentric/direct vent system on gas is specified by the appliance manufacturer.

Inner Diameter: 3″
Outer Diameter: 5″

UL 1738 Listed (MH25700) as a double-wall vent system for Category II, III, and IV appliances.
Inner pipe pressure rated to 10 WC.
Approved as a direct vent system (UL 1738, DGSH.MH25700, ULC S636, DGSH7.MH25700).
Listed to UL 641 (DFTX.MH8381), ULC S609 (DFTX7.MH8381), and ULC/ORD 441 (DFVAC.MH21150).
Suitable for use in combination with gas appliances, tested, and listed as a decorative gas appliance system or direct vent heater system (Check with your appliance manufacturer for approval).

CVS maintains 0” clearance as a double-wall vent system for Category II, III, and IV appliances.
Vertical enclosures support flue temperatures up to 480°F; horizontal enclosures support up to 400°F.
Requires 1” clearance to combustibles when used with pellet fuel.
Clearance to combustibles when used as a concentric/direct vent system on gas is specified by the appliance manufacturer.

Installation Options

1. Vertical Installation:

Suitable for applications where a straight upward venting path is feasible.
Vertical enclosures support flue temperatures up to 480°F, ensuring safe and efficient venting.
2. Horizontal Installation:

Ideal for scenarios where a horizontal venting path is necessary.
CVS maintains 0” clearance as a double-wall vent system for Category II, III, and IV appliances.
Horizontal enclosures support flue temperatures up to 400°F, providing flexibility in installation.
3. Condensate Management:

The CVS features a built-in condensate management system to prevent standing condensation.
Ensure proper condensate drainage to maintain the integrity of the venting system.
4. Telescoping Pipe Extensions:

Multiple pipe lengths and telescoping pipe extensions eliminate the need for field cutting of pipes.
Customize the venting system to fit the specific requirements of your installation space.
5. Transition Adapters:

Custom adapters are available to facilitate the transition from co-linear to coaxial venting systems.
Adapters ensure compatibility with various appliances and venting configurations.
6. Precision Twist-Lock Connection:

The proprietary twist-lock connection on the outer wall eliminates the need for clamps or mechanical fasteners.
Enhances installation efficiency while maintaining a secure and gas-tight connection.
7. Single Penetration for Exhaust and Combustion Air:

Only one penetration is needed through the roof or wall for both exhaust and combustion air.
Streamlines the installation process and reduces the number of required openings.
8. Clearances:

CVS is listed to 0” clearance as a double-wall vent system for Category II, III, and IV appliances.
Clearance to combustibles when used as a concentric/direct vent system on gas is specified by the appliance manufacturer.

Fuel Types

Wood

Fuel Type Application

Pellet

Clearances and Cavity Measurements

1. Clearances:

CVS is listed to 0” clearance as a double-wall vent system for Category II, III, and IV appliances.
Maintain 1” clearance to combustibles when used with pellet fuel.
For gas appliances, clearance to combustibles is specified by the appliance manufacturer when CVS is used as a concentric/direct vent system.
2. Flue Temperature and Enclosure Type:

CVS maintains 0” clearance for flue temperatures up to 400°F for horizontal enclosures.
For vertical enclosures, CVS supports flue temperatures up to 480°F with 0” clearance.
3. Diameters:

Inner Diameter: 3 inches
Outer Diameter: 5 inches
4. Unitized Concentric Construction:

Inner Wall: Laser-welded UL approved 444 super-ferritic stainless steel (.012” thickness)
Outer Wall: Laser-welded, paintable, zincalume (.018” thickness)
Silicone O-ring seals on inner liner and outer wall for a secure, gas-tight connection.
5. Precision Twist-Lock Connection:

The CVS features a precision twist-lock connection on the outer wall, eliminating the need for clamps or mechanical fasteners.
Ensure a secure and efficient connection during installation.
6. Condensate Management:

The built-in condensate management system prevents standing condensation.
Regularly check and maintain proper condensate drainage to ensure optimal performance.

Warranty

Limited warranty

Product Highlights

Elevate your fireplace experience with the Concentric Venting System (CVS) by Duravent Fireplaces. Engineered for both condensing and non-condensing appliances, this venting solution ensures superior performance and efficiency. The UL1738 approved super-ferritic stainless steel inner wall guarantees durability and longevity, setting a high standard for quality venting systems.

Experience hassle-free installations with the CVS’s proprietary twist-lock connection. Say goodbye to clamps and mechanical fasteners; the precision twist-lock mechanism streamlines the installation process, saving valuable time. With only one penetration required for exhaust and combustion air, the CVS simplifies the setup while maintaining a sleek and tidy appearance.

The CVS adapts seamlessly to a wide range of appliances, including gas boilers, warm air furnaces, water heaters, pellet stoves, and more. Whether it’s a direct vent gas or propane stove, a heater, or a fireplace, the Concentric Venting System proves its versatility, making it a reliable choice for diverse heating units.

Worry less about standing condensation with the built-in condensate management system. The CVS goes the extra mile to ensure a dry and efficient operation, contributing to the overall longevity of your heating unit. The incorporation of O-rings on both the inner wall and outer casing prevents any unwanted exhaust or combustion air leakage, maintaining a fully sealed, gas-tight system.

Rest easy knowing that the CVS is listed to UL 1738 standards as a double-wall vent system for Category II, III, and IV appliances. Pressure-rated for optimal performance, it is also approved for use as a direct vent system (UL 1738 and ULC S636). With additional listings for various applications, including decorative gas appliances, the CVS ensures compliance with industry standards.

Forget the challenges of field cutting pipes. The CVS offers multiple pipe lengths and telescoping pipe extensions, providing flexibility in installation without compromising efficiency. This thoughtful design feature allows for a customized fit, catering to the specific needs of your space and appliance.

Company Overview for Manufacturer

Duravent Fireplaces stands as a cornerstone in the realm of innovative venting solutions, setting industry benchmarks with its commitment to quality, efficiency, and reliability. Established as a prominent manufacturer, the company has earned a distinguished reputation for crafting cutting-edge products that redefine fireplace and heating unit experiences.

At the heart of Duravent Fireplaces’ success is a dedication to technological advancement and uncompromising quality standards. The company specializes in a diverse range of venting systems, with a particular focus on developing solutions that enhance the performance and safety of fireplaces and heating appliances. Duravent Fireplaces is known for pushing the boundaries of design and engineering to create venting systems that not only meet but exceed industry expectations.

One of the key hallmarks of Duravent Fireplaces is its Concentric Venting System (CVS), a testament to the company’s commitment to ingenuity. The CVS, featuring a UL1738 approved super-ferritic stainless steel inner wall, showcases the company’s dedication to precision and durability. The proprietary twist-lock connection and built-in condensate management system further underscore Duravent’s emphasis on user-friendly installations and long-term functionality.

Duravent Fireplaces places a strong emphasis on compliance and safety. The CVS is meticulously tested and listed to meet UL 1738 standards as a double-wall vent system for various appliance categories. This commitment to rigorous testing and certification ensures that customers can trust Duravent products to deliver not just performance but also peace of mind.

As a forward-thinking company, Duravent Fireplaces continues to invest in research and development, anticipating the evolving needs of the fireplace and heating industry. The company’s portfolio reflects a commitment to versatility, with venting solutions catering to a wide array of appliances, from gas boilers to pellet stoves.

FAQs

Q: Is the Concentric Venting System (CVS) suitable for both condensing and non-condensing appliances?
A: Yes, the CVS is designed to be an economical venting solution for both condensing and non-condensing appliances.

Q: What is the inner wall of the CVS made of?
A: The inner wall of the CVS is crafted from UL approved 444 super-ferritic stainless steel.

Q: Does the CVS require clamps or mechanical fasteners for installation?
A: No, the CVS features a proprietary twist-lock connection, eliminating the need for clamps or mechanical fasteners.

Q: How many penetrations are needed for the CVS through the roof or wall?
A: Only one penetration is needed for both exhaust and combustion air with the CVS.

Q: Are custom adapters available for transitioning from co-linear to coaxial venting systems?
A: Yes, custom adapters are available for this transition with the CVS.

Q: Does the CVS incorporate O-rings to prevent exhaust or combustion air leakage?
A: Yes, the CVS is the only concentric vent system to incorporate O-rings on the inner wall and outer casing for this purpose.

Q: What appliances is the CVS compatible with?
A: The CVS can be used with a wide range of appliances, including gas boilers, furnaces, water heaters, pellet stoves, and fireplaces.

Q: What is the continuous use flue temperature rating for the CVS?
A: The CVS is rated for continuous use flue temperatures up to 570°F.

Q: What are the inner and outer diameters of the CVS?
A: The CVS has a 3″ inner diameter and a 5″ outer diameter.

Q: What clearances are required for the CVS?
A: CVS is listed to 0” clearance as a double-wall vent system for Category II, III, and IV appliances, with specific clearances for different applications.

Q: What listings does the CVS vent pipe have?
A: The CVS vent pipe is listed to UL 1738 as a double-wall vent system for Category II, III, and IV appliances, among other listings.

Q: Can the CVS be used as a direct vent system?
A: Yes, the CVS is intended to be used as a direct vent system, listed to UL 1738 and ULC S636 standards.

Q: What is the pressure rating for the inner pipe of the CVS?
A: The inner pipe of the CVS is pressure rated to 10″ W.C.

Q: Is the CVS suitable for use with pellet fuel?
A: Yes, but CVS must maintain 1” clearance to combustibles when used with pellet fuel.