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Approved for Co-Linear Venting (Masonry Chimney)

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Filtered result: 100 of 1260

5.5 in. x 40 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$1,102.99

5.5 in. x 40 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

5.5 Inch x 40 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

4 in. x 40 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$959.99

4 in. x 40 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

4 Inch x 40 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

3 in. x 35 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$744.99

3 in. x 35 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

3 Inch x 35 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

3 in. x 20 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$534.99

3 in. x 20 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

3 Inch x 20 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

5.5 in. x 25 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$781.99

5.5 in. x 25 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

5.5 Inch x 25 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

4 in. x 35 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$849.99

4 in. x 35 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

4 Inch x 35 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

4 in. x 20 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$554.99

4 in. x 20 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

4 Inch x 20 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

4 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$459.99

4 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

4 Inch x 15 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

3 in. x 20 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$534.99

3 in. x 20 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

3 Inch x 20 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

3 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$446.99

3 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

3 Inch x 15 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

7 in. x 25 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$959.99

7 in. x 25 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

7 Inch x 25 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

7 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

$670.99

7 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Appliance Insert Connector

7 Inch x 15 Feet Chimney Liner Kit with appliance insert connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA.... Read More

7 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$670.99

7 in. x 15 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

7 Inch x 15 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

6 in. x 30 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$914.99

6 in. x 30 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

6 Inch x 30 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

6 in. x 25 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

$806.99

6 in. x 25 ft. 316Ti Stainless Steel Chimney Liner Kit with Tee Connector

6 Inch x 25 Feet Chimney Liner Kit with tee connector, no sag top plate, and chimney cap. Applications: Wood, Pellet, Gas, Oil, and Coal Burning Appliances Need a different size or type of chimney liner? Click here for more options! 100% stainless steel and made in the USA. Note:... Read More

Square to Round Vertical Appliance Connector

From$198.99

Square to Round Vertical Appliance Connector

Square to Round Vertical Appliance ConnectorMates a drip less connection between square flex liner to the round opening or vertical pipe on your appliance. We will match square to round connector to the correct size based on the liner size selected in Step 1. Read More

Tee Snout

From$85.99

Tee Snout

Note: Does not include Tee Body and Clean Out Cap.
Need more snout length? This tee snout features a 22 in. long snout along with the secure inside removable clamp connection.

Pro-Form Direct Vent Pipe 18" Length - Clearance

From$40.00

Pro-Form Direct Vent Pipe 18" Length - Clearance

Pro-Form Direct Vent Pipe available in two different finishes: Galvanized or Powder Coated Black Size: 4" x 6 5/8" For use with gas appliances approved for Pro-Form Direct Vent Pipe System ProForm Catalog 1 available galvanized, 1 available powder coated black. No defects. Read More

Pro-Form Direct Vent Round High Wind Cap - Clearance

$75.00

Pro-Form Direct Vent Round High Wind Cap - Clearance

Pro-Form Vertical Round Co-Axial DV Termination Cap Size: 4" x 6 5/8" Finish: Aluminum For use with Pro-Form Direct Vent Pipe System ProForm Catalog No defects, 1 available. Read More

Pro-Form Insert Co-Linear Direct Vent Termination Kit BLACK - Clearance

$350.00

Pro-Form Insert Co-Linear Direct Vent Termination Kit BLACK - Clearance

Pro-Form Insert Co-Linear Direct Vent Termination Kit with High Wind Cap & Square Base - Powder Coated Black For use with gas appliances that approve Pro-Form Co-Linear DV. Includes: 3" x 3" Pro Form High Wind Round Cap Square Base Kit 3" x 30' & 3" x 4' Aluminum Flex... Read More

6" x 24" Rock-Vent SW Black Stove Pipe-Clearance

$35.00

6" x 24" Rock-Vent SW Black Stove Pipe-Clearance

This 6" x 24" single wall black stove pipe has a few scratches to the finish and the male end was slightly crimped in more. This would be perfect for a wood stove where the appearance of the pipe is not important such as in a workshop or barn. Constructed... Read More

7" Rock-Vent Class A 2/12 Pitch Standard Roof Flashing - Clearance

$100.00

7" Rock-Vent Class A 2/12 Pitch Standard Roof Flashing - Clearance

This 7" Rock-Vent Class A standard flashing for a 2/12 shingle roof pitch only. Constructed from 304L stainless steel. The opening at the top of the flashing is 10". Storm collar is not included. Sold as is, non-returnable. One available. Read More

12" Copper Chimney Pot Topper w Round Clay Lid - Clearance

$100.00

12" Copper Chimney Pot Topper w Round Clay Lid - Clearance

This 12" round copper chimney pot topper with round clay lid is made for chimney pots that have an inside diameter of 12". In New condition with a copper screen and a round clay lid. This cap comes with the construction adhesive for mounting the cap to the chimney pot.... Read More

DuraVent B-Vent Pipe Increasers

From$64.61

DuraVent B-Vent Pipe Increasers

DuraVent B-Vent Increasers are used to increase the DuraVent B-Vent pipe. This is typically done when connecting two vent pipes together such as a hot water heater and a furnace which have different vent sizes. The small end of the increaser will be pointed down and the large side of... Read More

DuraVent B-Vent Wall Thimble

From$53.89

DuraVent B-Vent Wall Thimble

DuraVent B-Vent Wall Thimble is used to pass the DuraVent B-vent pipe through a combustible wall. The Wall Thimble provides the necessary 1" clearance from any combustible materials. The Wall Thimble is able to adjust from 3.5" to 6" to accommodate various wall thicknesses. The integrated trim collar provides a... Read More

DuraVent B-Vent Wall Support

From$115.52

DuraVent B-Vent Wall Support

DuraVent B-Vent Wall Support is used for vertical and horizontal support of the DuraVent B-vent pipe. The wall supports should be used every 4' of vent pipe. The wall support legs can be rotated 360 degrees for wherever you need to place the support on a wall or a ceiling. Read More

DuraVent B-Vent Draft Hood Connector

From$32.16

DuraVent B-Vent Draft Hood Connector

DuraVent B-Vent Draft Hood Connector is used to connect the DuraVent B-Vent to either a single wall connector pipe or directly to the appliance. The connection end is female to slide over the connector pipe of the appliance exhaust collar. Use sheet metal screws to attach the single wall end... Read More

DuraVent B-Vent Tee Connector

From$111.12

DuraVent B-Vent Tee Connector

DuraVent B-Vent Tee Connection With Removable Clean Out Cap is used for connecting more than one appliance to the Dura-Vent B-vent pipe. It is very common to connect the exhaust of a furnace or boiler and a hot water heater. The tee connection allows the two pipes together to reach... Read More

DuraVent B-Vent Adjustable Length Pipe

From$38.77

DuraVent B-Vent Adjustable Length Pipe

DuraVent B-Vent Adjustable Length Pipe is used to get the perfect length of pipe when the vent path calls for a specific length of pipe. B-Vent pipe is unable to be cut to length which makes the adjustable pipe a great solution. The adjustable length pipes work by telescoping up... Read More

21x9 1/2 Stainless Steel Cap - Clearance

$275.00

21x9 1/2 Stainless Steel Cap - Clearance

Stainless Steel Cap 21" x 9 1/2". New Condition. Sold as is. Non-Returnable. One Available.

8x24 SW DuraVent Black Pipe - Clearance

$40.00

8x24 SW DuraVent Black Pipe - Clearance

8x24 Single Wall DuraVent Black Pipe. Some scratching that can be repaired with paint. Sold As Is, Non-Returnable. One Available. 

6 in DuraVent SW Tee - Clearance

$70.00

6 in DuraVent SW Tee - Clearance

6" Single Wall Dura Vent Tee has minor scratching that can be repaired with paint.  This is sold as is and non-returnable. One Available. 

Support for Ceiling Square 6x11 - Clearance

$180.00

Support for Ceiling Square 6x11 - Clearance

The 6" x 11" Square Ceiling Support Box is in new condition but as some scratches and rust that can be cleaned and painted. This is used on a flat ceiling, the bottom of the ceiling support must extend a minimum of 3 inches into the room. Supports up to... Read More

Octagon Copper Cap - 9 3/4 Flange - Clearance

$300.00

Octagon Copper Cap - 9 3/4 Flange - Clearance

The Octagon Copper Chimney Pot Rain Cap has a 9.75" flange (pictured with Protective Film on Copper).  Protects against weather and animal beautifully. Removable octagon lid.

DuraVent DVL Double Wall Black Pipe Increaser

$202.19

DuraVent DVL Double Wall Black Pipe Increaser

Use the 6" to 8" DuraVent DVL Double Wall Stove Pipe Increaser when converting a stove with a 6" exhaust hole to 8" DuraVent DVL Double Wall Black Stove Pipe. The 6" end is a male end and the 8" end is a female end. The Stove Adapter will be... Read More

Mesh Animal Cage Screen 24 in - Clearance

$85.00

Mesh Animal Cage Screen 24 in - Clearance

Animal screen 24 inches x 16 inches x 11 inches high. The screen includes a  piano hinge mounting flange 3/4 inch wide. This stainless steel cage would be great to keep critters out of a chimney or flue. Sold As Is. Non-Returnable. One Available. Cage mesh measurements: 24"x16"x11" , -3/4"x1... Read More

Rigid Terra Cotta Top Plate 5x5x8 - Clearance

$50.00

Rigid Terra Cotta Top Plate 5x5x8 - Clearance

5" x 8" x 8" Rigid Terra-Cotta Mount Top Plate. New Condition. Used with a 5" rigid pipe. Pipe clamp not included. The Rigid Terra-Cotta Mount Top Plate is used if you have clay tile in your chimney and it's exposed by 1/2” or more at the top of your... Read More

Stainless Steel Octagon  Pot Topper 8.625 in - Clearance

$200.00

Stainless Steel Octagon Pot Topper 8.625 in - Clearance

8.625" ID Octagon Stainless Steel Chimney Pot Rain Cap with mounting flange. New condition. Effective and attractive way to cap off your chimney pot. Protects chimneys equipped with chimney pots from rain, snow, and animal intrusion. One available, sold as is, non-returnable. Read More

Oval Terra Cotta Top Plate 8 x 13 - Clearance

$75.00

Oval Terra Cotta Top Plate 8 x 13 - Clearance

The 8" x 13" Oval Terra Cotta Top Plate size for a 5" x 8.15" oval Liner. Features an oval opening for our Oval Flex Liners. The Oval Terra Cotta Top Plate comes with stainless steel screws to secure the top plate via a friction fit. One available, sold as... Read More

8x8 Locktop II Damper Missing Hardware - Clearance

$350.00

8x8 Locktop II Damper Missing Hardware - Clearance

8x8 Locktop II damper, Missing Hardware This lock top damper is missing the hardware pack, the cable is included. Will work great for parts or someone that can fabricate the hardware. The Lock Top II Chimney Damper With Cap is the perfect solution for cold & drafty wood burning fireplaces.  Read More

6 in x 36 in 316L inner, 430 outer Class A chimney pipe - Clearance

$150.00

6 in x 36 in 316L inner, 430 outer Class A chimney pipe - Clearance

This 6” x 36” Rock-Vent 316L inner, 430 outer Class A chimney pipe is on clearance due to a few slight dings on the side of the class A pipe. These are small dings and do not affect the overall performance or safety of the system. This would be perfect... Read More

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Our 316Ti flexible chimney liner and chimney liner components have passed the rigorous testing at the Underwriters Laboratories with best in class status and are UL Listed. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney

Customer Testimonials

Back in July you gave me excellent advice re. sizing/purchasing a flue liner for the chimney associated with my wood stove. I'd like to thank you once agai... More

—AE Northfield, MN

A few weeks ago I ordered a chimney liner system for my fireplace insert. Your salesman recommended the liner system plus the insulating blanket. I just wa... More

—AH Happy customer

Just got around to installing my new smooth flexible liner and deluxe terra cotta cap (wow). The quality of your product is second to none. Very pleased an... More

—B.B. from Massachusetts

Thanks so much for the great tech service from Dennis, very knowledgable, friendly and proffessional.Your website is the best, beats your competition by fa... More

—Bill in Knoxville

Sue and Dennis, I received the final part of my order yesterday (the chimney cap that actually fits over the chimney chase). It looks wonderfu... More

—CC, VA

Hello, I was shopping for an fireplace insert and called RCS to ask why they were so much cheaper than my local guy, the reply was " we sell thousand of th... More

—Chris, PA.