Round Flex Liner Components

Round flexible chimney liner components including adjustable elbows, tee connectors, flue extensions, boots and chimney liner connectors make it easy to connect round stainless steel flex chimney liner components together. These components are intended to be used with Rock-Flex round chimney liners or I.D. chimney liners.

Learn about Round Flex Liner Components

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Adjustable Elbow for Flexible Liners

From$71.99

Adjustable Elbow for Flexible Liners

Our Flex Liner Elbows have laser welded seams for smooth adjusting and feature the quick connect band clamp for a secure fit every time. These elbows have a female end to accept the flex liner. No adapter needed! Our Flex Liner Elbows are perfect for connecting a flexible chimney liner... Read More

Fixed Elbow for Flexible Liners

From$83.99

Fixed Elbow for Flexible Liners

Our Flex Liner Elbows have laser welded seams and feature the quick connect band clamp for a secure fit every time. These elbows have a female end to accept the flex liner. No adapter needed! Our Flex Liner Fixed Elbows are perfect for connecting a flexible liner to a fireplace... Read More

Off-Set Box

From$193.99

Off-Set Box

The chimney liner Off-Set Box is the perfect adapter when you are installing a stainless steel chimney liner to connect to a wood insert when the insert's outlet and the chimney liner are not lining up. Oftentimes the exhaust outlet on a wood insert is positioned too far forward in... Read More

Round Pulling Cone

From$91.99

Round Pulling Cone

The Pulling Cone makes the job of installing a chimney liner easier, especially when installing a liner in a tight chimney flue. Use it to help pull the liner through the chimney. Quick to connect and disconnect from our Round flexible stainless steel chimney liner. A strong eye hook is... Read More

Chimney Liner Vertical Appliance Connector

From$65.99

Chimney Liner Vertical Appliance Connector

The Vertical Appliance Connector comes in every size you can imagine and is most commonly used for connecting a round flexible chimney liner to a fireplace insert. This connector is used to connect our flexible chimney liner to a top outlet exhaust hole (vertical connection). It is the most used... Read More

Male to Male Liner Coupler

From$51.99

Male to Male Liner Coupler

Are you in a tight spot? For tight clearance relining situations, this male to male chimney liner connector is just the ticket! This component is not dripless, and will require screws or rivets. The smooth butt welded seam makes this part slide together like butter, crimped on both ends. This... Read More

Round Liner to Liner Quick Connector

From$56.99

Round Liner to Liner Quick Connector

This dripless female to male flex chimney lining connector / coupler connects flexible liner to almost anything. The Liner to Liner Quick Connector is most commonly used when connecting two sections of flexible liner together. The quick connect clamps will ensure that the sections of flexible liner will not come... Read More

Standard Tee with 10 in. Snout and Tee Cap

From$144.99

Standard Tee with 10 in. Snout and Tee Cap

Zip Zip and you're done! The Tee Connector features a tee cap, a removable 10" long snout, a secure inside removable clamp connection and the quick connect band. Tee Connections are used to connect our flexible liner to the back of an appliance such as a stove or most commonly... Read More

Standard Tee with 22 in. Snout and Tee Cap

From$206.99

Standard Tee with 22 in. Snout and Tee Cap

Need more length? This tee connection features the quick-connect band clamp connection and the snout measures 22" long. The 22" snout is perfect for a long thimble, or if you wish to pull your stove a little further out on the hearth. If you need the snout to be less... Read More

Short Body Tee with 10 in. Snout

From$146.99

Short Body Tee with 10 in. Snout

This is a Short Body Tee Connector with 10" snout for constricted thimble installations. Does your chimney extend below the horizontal thimble? If not, the Short Body Tee is perfect for you! The distance from below the horizontal tee snout to the bottom of the tee body is 3/4". If... Read More

Short Body Tee with 22 in. Snout

From$240.99

Short Body Tee with 22 in. Snout

This is a Short Body Tee Connector with 22" snout for constricted thimble installations. Does your chimney extend below the horizontal thimble? If not, the Short Body Tee is perfect for you! The distance from below the horizontal tee snout to the bottom of the tee body is 3/4". If... Read More

3 in. to 4 in. Pellet Tee with Fixed Snout

$124.99

3 in. to 4 in. Pellet Tee with Fixed Snout

The Pellet Tee connects a 3" pellet stove to a 4" chimney liner. This connector features a 3" long fixed snout and the quick connect band. Clean out cap included. The 3" to 4" Pellet Tee Connector will make connecting a pellet stove with a 3" exhaust hole to a... Read More

3 in. to 4 in. Pellet Tee with Removable Snout

$153.99

3 in. to 4 in. Pellet Tee with Removable Snout

The Pellet Tee connects a 3” pellet stove to a 4” chimney liner. This connector features a removable snout and the quick connect band. Clean out cap included. The 3" to 4" Pellet Tee Connector will make connecting a pellet stove with a 3" exhaust hole to a 4" stainless... Read More

22 in. Tee Snout

From$124.99

22 in. Tee Snout

Do you have a long chimney thimble or need more tee snout length? If so, the 22" Quick Connect Snout is perfect for you. The horizontal snout of the tee can pass through the thimble and extend out of the thimble enough so you are able to attach our stove... Read More

Snout Adapter for Tee Snout

From$37.99

Snout Adapter for Tee Snout

The Snout Adapter reduces the female end of the tee snout to a male end to allow you to connect the tee snout to the stove pipe without needing to crimp the tee snout. All of our standard tee snouts are made as a female pipe end, so this adapter... Read More

Tee Extension Slip Connector

From$79.99

Tee Extension Slip Connector

The Tee Extension Slip Connector's male end slips inside the snout of our tee. It allows you to add 8 to 16 inches simply by sliding it in or pulling it out of the tee snout. A perfect fit, with no cutting required! The expanded end of the slip connector... Read More

Chimney Flue Extender

From$128.99

Chimney Flue Extender

Need to offset 2 chimney liner caps adjacent from each other or extend your flue above the roof line? This little wonder provides an 18 inch offset / extension. Fits perfectly onto the flex liner top plate collar and accepts the Quick Connect Rain Caps at the top of the... Read More

Mesh Bottom Plate

From$99.99

Mesh Bottom Plate

The Mesh Bottom Plate is a great way to transition a new stainless steel chimney liner to a fireplace smoke shelf or terminate the liner in a standard fireplace. Our 18" x 18" Mesh Bottom Plate features a "quick connect" collar to secure the liner. Moldable mesh allows you to... Read More

Rectangle to Round Insert Adapter Boot

From$179.99

Rectangle to Round Insert Adapter Boot

The Rectangle to Round Insert Adapter Boot allows you to make connections between round flex liners to inserts and stoves with rectangle or oval exhaust openings. The heavy gauge cast iron boot can withstand extreme temperatures. The collar is angled back toward the damper. The low profile design will clear... Read More

Gas Take Off Connector

From$70.99

Gas Take Off Connector

The Universal Gas Take Off is a great way to attach a hot water heater pipe to a chimney liner that has already been installed. Make a hole in the horizontal pipe using a hole saw with your drill set to reverse. Seal with high heat mill pac and you're... Read More

Premium Top Plate

From$69.99

Premium Top Plate

Our Premium Top Plate is laser welded and sloped to allow rain and snow to run off. No clamps, flashing, or storm collars needed. Just pull our flexible stainless steel chimney liner through the collar and securely tighten the quick connector band. The Premium Top Plate features our quick-connect band... Read More

Terra-Cotta Top Plate

From$114.99

Terra-Cotta Top Plate

Our Terra-Cotta Top Plate fastens right on the terra-cotta flue tile. The top plate pressure screws to the tile like a traditional single flue cap and gives a great no hassle, finished look. No drilling or cutting required! The collar quick-connect band clamp securely tightens to the flexible chimney liner... Read More

Flat Top Plate

From$71.99

Flat Top Plate

For those chimney tops that need to be custom fitted, we offer our Flat Top Plate. No clamps, flashing, or storm collars needed. Just pull our flexible stainless steel liner through the collar and tighten the quick connector band. The Flat Top Plate features our quick-connect band to securely support... Read More

Deluxe Flat Hinged Chimney Cap

From$194.99

Deluxe Flat Hinged Chimney Cap

The Deluxe Flat Top Plate with Hinged Cap attaches to chimneys with NO clay tile exposed at the chimney top. If you like a more traditional style single flue chimney rain cap, then the Deluxe Flat Top Plate with Hinged Cap is a perfect fit. If you already have single... Read More

Deluxe Terra-Cotta Mount Hinged Chimney Cap

From$169.99

Deluxe Terra-Cotta Mount Hinged Chimney Cap

The Deluxe Terra-Cotta Mount Hinged Chimney Cap attaches to chimneys with exposed clay tile at the chimney top. If you like a more traditional style single flue chimney rain cap, then the Deluxe Terra-Cotta Mount Top Plate with Hinged Cap is a perfect fit. If you already have single flue... Read More

Round Chimney Rain Cap, Top Plate Mount

From$85.99

Round Chimney Rain Cap, Top Plate Mount

Our Round Quick Connect Chimney Rain Cap features a stainless steel mesh screen and wind guard. The wind guard does a great job at keeping out rain and wind during a driving rain. Fasten down the quick connect clamp to the collar of the flex liner Top Plate or Chase... Read More

Square Chimney Rain Cap, Top Plate Mount

From$65.99

Square Chimney Rain Cap, Top Plate Mount

Our Square Quick Connect Chimney Rain Cap features a stainless steel mesh screen. The mesh screen for this cap is removable for cleaning. This is a low profile chimney cap with a large lid which makes it a great choice for keeping rain out. Fasten down the quick connect clamp... Read More

Custom Double Snouted Tee with Tee Cap

$389.99

Custom Double Snouted Tee with Tee Cap

A tee with two take offs and a clean-out cap, it is designed to allow you to connect two appliances to one chimney liner. Select any two snout diameters from 3 inch through 8 inch. Do you have more than one appliance venting into the same chimney flue? If you... Read More

Tee Connector, 10 in. Snout, and Tee Cap AL294C

From$99.99

Tee Connector, 10 in. Snout, and Tee Cap AL294C

Zip Zip and you're done! Features a removable 10" long snout, a secure inside removable clamp connection and the quick connect band. This Tee Connector is used with AL29-4C flexible liners to reline your chimney for a high efficiency gas boiler or furnace. Please click "Get a Quote" and we... Read More

Gas Oil Rigid Pipe AL29-4C

From$69.99

Gas Oil Rigid Pipe AL29-4C

2 ft. sections of AL29-4C rigid pipe, the perfect pipe to get you from your appliance to the Tee Connector. Plus, it will last a lifetime. This rigid pipe is used with AL29-4C flexible liners to reline your chimney for a high efficiency gas boiler or furnace. Please click "Get a... Read More

Learn About Round Flex Liner Components

Connectors: Adjustable elbows, tee connectors, flue extensions, boots and chimney liner connectors make it easy to connect stainless steel flex chimney liner components together. You can use these connectors for stainless steel flue liners or other chimney liner items to make sure you get a great fit with an airtight connection. You may possible need our high temp silicone for added security High Temp Chimney Silicones & Sealants. Keep Rockford Chimney Supply in mind for all your stainless steel chimney parts required to get the job done.

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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 wonderful! My fiancé... 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.