4 inch 904 Flexible Flue Liner £ 154.00 – £ 368.50 Our premium grade 4 inch 904 Flexible Flue Liner is Class 1 and is engineered to the highest spec using 904 Stainless Steel and has been … Aluminum Tape The cost to install or replace a liner depends on the height and diameter of your flue, how … Vents may enter the stack through the bottom or side. Need a flexible flue liner and chimney liner for a wood burner? The thermal shock, especially on cold winter days and nights when the flue liner would be quite cold, most likely caused the tiles to crack. Chimney Stove Pipe. View Product. It is the visible pipe that extends out of the top or back of your stove and goes up inside your chimney - or, if you have a twin wall flue pipe system, up to your wall or ceiling.. As they are visible inside your room, chimney pipes need to look attractive. If the metal round metal exhaust pipe is 4 inches in diameter, the flue liner … All Logan Clay flue liners are precision cut to the correct lengths. •Flues with holes only available in 2’ lengths. $2,500. Stove & Chimney Pipes at Tractor Supply Co. Contactless Curbside Pickup! Manufactured by us in the UK & designed to line masonry chimney stacks, they come with lifetime warranty*.. Items include replacement stove glass and vermiculite fire bricks (including custom sizes), stove installation equipment including flue pipes and accessories, woodburning and multi fuel stoves, and chimney sweep equipment. With a smooth inner liner and corrugated external, our $324.09 + shipping + shipping + shipping. SiS is a leading supplier of replacement parts to the stove industry and solid fuel trade. flues must be separated by 4 inch solid masonry partitions. Going to line with 3 or 4 inch pipe which size is better and should one wrap the liner in insulation even if chimney is already clay lined. Outdoor Cooking. For example, an 8” x 8” cap will fit flues made from 6.5” to 8” in both widths and lengths. Galvanized flue pipes must not be used because the coatings vaporize at high temperatures and release dangerous gases. All side connections Do the math the same way as in the above example for a 3-inch-vent pipe. I would like to know how much capacity a 4 , a 5 , a 6 or a 7 inch flue liner can handle. Lifetime Chimney Liner is Northline Express's preferred liner of choice. € 185.81. New and ready to send each day on orders before 3pm. Flue. The way to deal with this is to insert inside the masonry chimney a stainless steel liner that has the same diameter as the appliance’s flue outlet. 4 Inch Pellet Stove Pipe We cannot ship any of the items on this page to Alaska, Hawaii, Puerto Rico or Canada. Washington, D.C. Area. 175mm Chimney Flue Liner Multifuel Stainless Steel. Chimney Flue Systems. Flue pipe and liner available in all diameters, including the most popular 5 inch 125mm / 130mm and 6 inch 150mm. Replacing a wood stove gasket is easy, and eFireplaceStore.com has all of the materials, gasket adhesives, and kits needed to do it! Just muliplying these dimensions together (6.75 x 6.75) = 45.56 sq.in. Brand new. If rectangular, the length X width calculation of the inside of the liner once again, should not exceed 49 square inches. 10m x 5 inch Flue Liner Kit Multi fuel Flexible 4 Wood burning Stove pot hanger. ... Helix … Since the 1950s, building codes in many locations require newly built chimneys to have a flue liner. If you are installing a new chimney flue and are in need of a flexible flue liner you can choose either our Standard 316L grade stainless steel flue liners with a 10 year warranty or upgrade to a premium grade 904L grade chimney liner with a 25 year warranty. The chimney wall shall be constructed so there is at least a 4 inch nominal thickness of solid masonry between the flue liner and any exterior surface. Solid Fuel Stainless 5" Flexi Flue Liner 904 Grade 9 Metre. Single flue caps often mount with pressure screws and a flue size ring that it will mount to. 20″ x 20″. If the metal round metal exhaust pipe is 4 inches in diameter, the flue liner cross-sectional area should not be larger than 88 square inches. 6-, 7-, and 8-inch diameter flue pipes … $5,000. For example, 10-inch-square flue has an effective flue area equal to the area of a circle 10 inches in diameter. Clay flue liners are used in chimneys to vent products of combustion-smoke, gas and moisture to the atmosphere. If you are installing a new chimney flue and are in need of a flexible flue liner you can choose either our Standard 316L grade stainless steel flue liners with a 10 year warranty or upgrade to a premium grade 904L grade chimney liner with a 25 year warranty. We have the widest range of flue diameter sizes in stock and on the internet, all at unbeatable prices: 3" 80mm, 4" 100mm, 5" 125mm / 130mm, 6" 150mm, 7" 180mm, 8" 200mm, 10" 250mm, 12" 300mm and 14" 350mm. In an offset situation, the joints of the flue … FLUE LINERS. Manufactured by us in the UK & designed to line masonry chimney stacks, they come with lifetime warranty*.. Lifetime Chimney Liner is Northline Express's preferred liner of choice. Currently I have 191k btu of furnace 80% and a 40k btu water heater being handled by an … Fireplace Flue Size Specifications Relation of fireplace size to flue opening dimensions, Table of required chimney flue size and flue dimensions for masonry fireplaces. Dia-36 in. The shocking thing is that the flue gases had escaped from the chimney and could have set the wood framing near the chimney and the wood furring strips on fire. With only 1.26 g/h of particulate emissions, this non-catalytic wood stove gives off up to 65,000 BTU/h while largely meeting EPA standards. £ 10.40 – £ 207.96 Select options. 4.9 out of 5 stars (24) Total Ratings 24, $9.59 New. The thermal shock, especially on cold winter days and nights when the flue liner would be quite cold, most likely caused the tiles to crack. 5 inch flue liner (125mm) for lining chimney stacks. … If you require help with your purchase our knowledgeable team … Wide Variety Of Uses/b> Ideal for an array of uses, including general repair, sealing hot and cold air ducts (excellent HVAC tape), duct … calculate the effective flue are a ( E FA) using the inside dimensions of the liner minus any corn e r s . £24.10 (Including VAT at 20%) Spiral Chimney Sweeping Brush - 300mm (12 inch) View Product. Not Available for Delivery . Chimney Flue Systems. Extendable joints. 4 Inch Pellet Stove Pipe We cannot ship any of the items on this page to Alaska, Hawaii, Puerto Rico or Canada. Clay flue liners are used in chimneys to vent products of combustion-smoke, gas and moisture to the atmosphere. Because Lifetime Chimney has one of the best warranties in the industry without a bunch of fine print or loop holes. Boots, adaptors, pulling cones, liner extensions, and more. Our easy fit range of 4 inch Vitreous Enamelled Chimney Stove pipe is single walled, suitable for use the following fuels: gas, oil and multi-fuel heating appliances; Basket: 0 items. calculate the effective flue are a ( E FA) using the inside dimensions of the liner minus any corn e r s . 175mm diameter x 1000mm long. Suitable for use with solid fuel, wood, gas and oil appliances. Measurement Of 6 ¼”. A properly … £84.98 (Including VAT at 20%) Lead Flashing for 125mm (5 inch) Outside Diameter Pipe. The one-inch spacers must be of a non-combustible material. £ 32.14 – £ 642.73 Select options. For example an 8" x 8" square nominal clay chimney flue tile liner has inside dimensions of 6 3/4" x 6 3/4". The premier manufacturer of wholesale chimney caps, dampers, heat reflectors, smoke guards, ash dump doors and more! 226.98. DuraVent's Pellet Stove Pipe's are used to vent stoves and inserts that use oil fuel and wood pellets. We'll bring it to your … (Outside Dimension) Measurement Add ¼”. Choose ground shipping by Dec. 20th to have gifts delivered by Dec. … Average Cost. £84.98 (Including VAT at 20%) Lead Flashing for 125mm (5 inch) Outside Diameter Pipe. Corrosion and crush resistant, designed to ensure combsutable gases and smoke are ventilated safely from the building. Solid Fuel … Rytons 4 inch Direct Air Ventilation Kit - White + £40.00 Do you need any flue? Of medium size, the Blackcomb II wood stove is ideal for heating spaces up to 1,800 ft² with a maximum heat output of 65,000 BTU/h. Buy Online and call or use the app when you arrive. Detailed attention to manufacturing processes and a 2000°F firing in our computer-controlled kilns give our liners the … The one-inch spacers must be of a non-combustible material. PelletVent is a venting system for stoves and inserts that use multi-fuels (including wood pellets, corn, cherry pits, switch grass, coffee husks, walnut … EPA certified at 1.26 g/h, this non-catalytic unit represents an eco-responsible heating source. Chimney Liner Accessories are helpful for cleaning your liner, starting a fire, and monitoring flue temperatures; Listed below are our most popular "save the day" type of adapters for all different chimney liner install situations. Stove pipes are the essential part of your flue system that connects your stove to the flue. Stoves & Outdoor Cooking. • Thimbles and saddles are site assembled with refractory mortar to form the joint. Flexible liner 904 grade Multi fuel 100mm 4 inch - 25yr warranty, Multi-fuel/Solid Fuel Chimney Liner 904 Grade, 100mm (4"), buy online, fast UK delivery from Flue Direct JavaScript seems to … Not Available for Delivery . 5 inch (125mm) flexible chimney flue liner. ... 40mil Gray Pvc Liner Kit* Oatey 5 Feet. If you require help with your purchase our knowledgeable … Thank you for looking 100mm / 4 … The immediate vertical height from the flue collar to the first turn (connector rise) will have an important effect on the proper functioning of a venting system. 5, 6, 7 and 8 inch flue liner delivered direct from stock Flue Liner grades - 316L, 904/316, 904L The better the quality of stainless steel you choose for your flue liner, the longer the guarantee. The way to deal with this is to insert inside the masonry chimney a stainless steel liner that has the same diameter as the appliance’s flue outlet. 9 Metre 5" Flexible Multifuel Stove Flue Liner Pack/Kit Terracotta HETAS 9m - Grade 316 stainless steel. Fireplace Flue Size Specifications Relation of fireplace size to flue opening dimensions, Table of required chimney flue size and flue dimensions for masonry fireplaces. If rectangular, the length X width calculation of the inside of the liner once again, should not exceed 49 square inches. Center the liner on top, and wrap it with the installation. 5 Inch Lifetime Warranty Flue Liner 316L. Stainless steel chimney liners costs about the same as replacing the existing liner with a new clay liner, however a stainless steel liner is much more durable, which is why it is the preferred … X 6 Feet. 4" is Listed for both Type “B”, and Type “BW”, use/installation in a 2 x 4 wall. … ... (4 inch) Outside Diameter Pipe. Stainless Steel Single Flue Chimney Liner Cap; Vacu Stack 11" Diameter Air-Cooled Chimney Cap Wood Burning & Multifuel Stoves. Just muliplying these dimensions together (6.75 x 6.75) = 45.56 sq.in. Flue Liner Sweeping Brush - 175mm (7 inch) View Product. Available in cut … The flue piping of the system, whether for single or multiple appliances, should be as short a run as possible, and rise 1/4″ per running foot up and toward the chimney. They also protect the chimney walls from heat and corrosion. 40mil Gray Pvc Liner Kit* (96)-View Details. The shocking thing is that the flue gases had escaped from the chimney and could have set the wood framing near the chimney and the wood furring strips on fire. πD2 Area = ----- = 0.7854 D2 = 4 0.7854 102 = … 6" is Listed for Type “B” use/installation in a 2 x 6 wall. As you pull the chimney liner insulation closed, leave a minimum of 1 inch (2.5 cm) overlap so that you can secure it with … To provide adequate … 18″. With a smooth inner liner and corrugated external, our 40mil Gray Pvc Liner Kit* (96)-View Details. Replacing a wood stove gasket is easy, and eFireplaceStore.com has all of the materials, gasket adhesives, and kits needed to do it! Rytons 4 inch Direct Air Ventilation Kit - White + £40.00 Do you need any flue? Standard Grade 316 Flexible Flue Liner 8 inch All of these flexible multi-fuel flue liners are Class 1 and are engineered using 316L stainless steel. 8" Single Wall or Double Wall Stove Pipe Choose Your Stove Pipe Type Stove pipe is used from the top of the woodstove or freestanding fireplace to the bottom of the ceiling or wall where it will connect to class-A chimney pipe or a masonry chimney. Combining performance and respect for the environment, the Escape 1500 is the perfect choice for heating homes up to 1,800 ft². Dia-36 in. From that point you will then usually have to change to a minimum 6" (150mm) flexible chimney liner or rigid insulated flue system. 5.5 … We have the widest range of flue diameter sizes in stock and on the internet, all at unbeatable prices: 3" 80mm, 4" 100mm, 5" 125mm / 130mm, 6" 150mm, 7" 180mm, 8" 200mm, 10" 250mm, 12" 300mm and 14" 350mm. 6 Inch Lifetime Warranty Flue Liner 904L. Save BIG on our selection of multi flue, spark arrestors, single flue and animal control chimney covers. Diameter of Draft Hood Outlet or Flue Collar: Flow Area (in²) 3″ 7.065: 4″ 12.560: 5″ … The liner and all components are high quality 316Ti alloy. Multifuel / Solid Fuel Liner. Add to cart. ... (4 inch) Outside Diameter Pipe. Wide Variety Of Uses/b> Ideal for an array of uses, including general repair, sealing hot and cold air ducts (excellent HVAC tape), duct … A properly … Shieldmaster … Socket type … Solid Fuel Stainless 6 inch Flexi Flue liner 904 Grade 6 Meter Pack. Unless a liner is installed, serious draft problems can occur. Free Delivery Over £120 * Excl Flue Liner. 5" is Listed for Type “B” use/installation in a 2 x 4 and 2 x 6 wall. They have been made according to the British and … 4.4 … of the liner minus any corn e r s . Measurement of 6” and An O.D. Professional / Industrial Grade High-quality, high tensile strength aluminum foil coated in epoxy resin with strong, cold-weather solvent acrylic adhesive set on a easy-release silicone paper liner to preserve the adhesive and provide ease of use. Unless a liner is installed, serious draft problems can occur. But chimney experts and draft measurements show that in a rectangular flue not all of the cross-sectional area is equally effective in developing draft. We carry a complete line of vitrified clay flue liners from 3″ to 36″ diameters in round flue liners and from 4″x8″ to 24″x24″ in square and rectangular flue liners. DuraVent's Pellet Stove Pipe's are used to vent stoves and inserts that use oil fuel and wood pellets. Do the math the same way as in the above example for a 3-inch-vent pipe. 5" inch 6" Black Stove Pipe multi fuel Kit Matt Flue 4 … Angeled Connector. Customs services and international tracking provided. X 6 Feet. View Product. £20.68 (Including VAT at 20%) Flue Liner Sweeping Brush - 200mm (8 inch) View Product. Best Selling. Stanbroil 6 Inch Round Chimney Cleaning Brush with 1/4" NPT Fitting for Insulated Chimneys, Stainless Steel or Metal Stove Pipes- Works with Most Chimney Rod Sets 4.3 out of 5 stars 70 2 offers from $7.44 Stove pipes are the essential part of your flue system that connects your stove to the flue. Chimney Liner. Arrives by Tue, Dec 28 Buy The Forever Cap CCFS4 4-Inch Stainless Steel Liner Top Chimney Cap at Walmart.com Last call! Since the 1950s, building codes in many locations require newly built chimneys to have a flue liner. MetalBest® oval vent pipe, sizes 4", 5" and 6" provides the venting capacity of 4 inch, 5 inch and 6 inch round vent pipe. $625. Stanbroil 6 Inch Round Chimney Cleaning Brush with 1/4" NPT Fitting for Insulated Chimneys, Stainless Steel or Metal Stove Pipes- Works with Most Chimney Rod Sets 4.3 out of 5 stars 70 2 offers from $7.44 EPA certified at 1.26 g/h, this non-catalytic unit represents an eco-responsible heating source. Flue. EUR 185.30 to EUR 273.07. Free Delivery Over £120 * Excl Flue Liner. Available. If a flue must be angled or offset, the angle can be no more than 30 degrees from vertical. £20.97 to £23.00 (£20.97/m) Free postage. Single Wall Stove Pipe radiates more heat into the room than double wall stove pipe and requires 18" clearance from combustible … DuraVent 6DP-36CF Triple-Wall 6 in. ... 40mil Gray Pvc Liner Kit* Oatey 5 Feet. See All - Best Selling. Flue Liner. Stainless Steel Single Flue Chimney Liner Cap; Vacu Stack 11" Diameter Air-Cooled Chimney Cap Gas & Electric Stoves. High Cost. Best Selling. Corrosion and crush resistant, designed to ensure combsutable gases and smoke are ventilated safely from the building. 5 inch 6" Flexible flue liner fitting kit 4 a multifuel stove incl flue pipe. In order for a venting system to … But chimney experts and draft measurements show that in a rectangular flue not all of the cross-sectional area is equally effective in developing draft. FF90459. DuraVent 6DP-36CF Triple-Wall 6 in. £20.68 (Including VAT at 20%) Flue Liner Sweeping Brush - 200mm (8 inch) View Product. 5, 6, 7 and 8 inch flue liner delivered direct from stock Flue Liner grades - 316L, 904/316, 904L The better the quality of stainless steel you choose for your flue liner, the longer the guarantee. Each FireFlex Fireplace Liner Kit includes … 6" 316 G Flexible Flue Liner Per Meter … A flue liner is a secondary barrier in a chimney that protects the masonry from the acidic products of combustion, helps prevent flue gas from entering the house, and reduces the size of an oversized flue. 4.6 out of 5 stars (18) Total Ratings 18, ... iPower 4 Inch by 8 Feet Duct for Dryer Vent Hose Transition Temperature Range. Use black painted flue pipes. Compare PVC 4 Inch x 10 Feet Solid Sewer Pipe - Ecolotube . Available in the following diameters: 4 inch 100mm, 5 … If you don't see the chimney liner accessories and supplies that you are looking for, then please contact us and we will get it listed … They also protect the chimney walls from heat and corrosion. 36 sold 36 sold 36 sold. ... 10m Stainless 6 Inch Quality Chimney Flue Liner EasyFit Kit. Buy Online Pickup Curbside! Flue Liner. The largest permissible flow area (in²) of the chimney flue for draft hoods or flue collars. Providing the flexible flue liner has been installed correctly, only approved fuels have been used, and the flexible flue liner has been cleaned and maintained then the liner will last the lifetime of … Average Cost to Install a Chimney Liner. II and IV appliances (capable of 280 F (138 C), positive pressure and condensing flue gas operation). Compare PVC 4 Inch x 10 Feet Solid Sewer Pipe - Ecolotube . The flue liner has a convoluted outer skin made from 316L stainless steel and is … 316 Flue Liner 5 inch or 6 inch Stove Chimney Stainless Steel Life Time Warranty. HomeSaver Pro 13 inch x 13 inch Top/Bottom Plate for 5.5- or 6 inch Chimney Liner HomeSaver UltraPro 13 x 13 Collar Plate with Band Connection for 5.5 inch Chimney Liner HomeSaver Non … Why do you ask? Hy-C 13 x 13 Inch Stainless Steel Universal Chimney Cap with 3/4 Inch Mesh; Hy-C 13 x 13 Inch Black Galvanized Steel Universal Chimney Cap with 5/8 Inch Mesh; Hy-C 13 x 13 Inch Black Galvanized Steel Universal Chimney Cap with 3/4 Inch Mesh; Hy-C 10 in. 4" is Listed for both Type “B”, and Type “BW”, use/installation in a 2 x 4 wall. Click this link for directions on "How to Install a Chimney Liner" 3-Inch Forever Flex 4-Inch Forever Flex 5-Inch Forever Flex . Learn More. £24.10 (Including VAT at 20%) Spiral Chimney Sweeping Brush - 300mm (12 inch) View Product. 12.4.4 (3) The cross­-sectional area of the flue of a chimney with one or more walls exposed to the outside below the roof line shall not be more than two times the cross-­sectional … If rectangular, the length X width calculation of the inside of the liner once again, should not exceed 49 square inches. 28 sold. Items include replacement stove glass and vermiculite fire bricks (including custom sizes), stove installation equipment including flue pipes and accessories, woodburning and multi fuel stoves, and chimney sweep equipment. For example, 10-inch-square flue has an effective flue area equal to the area of a circle 10 inches in diameter. Need a flexible flue liner and chimney liner for a wood burner? Quick view. Wood Burning & Multifuel Stoves. DuraFlex SS Stainless Steel Chimney Liner - 4 inch x 15-ft. - 4DF316-15; Metal-Fab 12/12 Type B Round Chimney Flashing - For Chimney Pipes with a 4 Inch Inner Diameter; DuraFlex SS Rain … Combining performance and respect for the environment, the Escape 1500 is the perfect choice for heating homes up to 1,800 ft². Our flexible flue liners are Hetas and CE approved, made in the UK. A 1-inch or wider air gap between the wall and the asbestos millboard or metal panel must be provided. The existing 3 inch pipe run is from basement and terminates on the roof. Example: A 6” Liner Would Have An I.D. Professional / Industrial Grade High-quality, high tensile strength aluminum foil coated in epoxy resin with strong, cold-weather solvent acrylic adhesive set on a easy-release silicone paper liner to preserve the adhesive and provide ease of use. 4.2 out of 5 stars 18. For example, 10-inch-square flue has an effective flue area equal to the area of a circle 10 inches in diameter. To provide adequate draft and safe venting of combustion products the chimney flue for a fireplace has to be adequate in size or cross-sectional area. Stoves & Outdoor Cooking. A deteriorating gasket can lead to leaks of both heat & combustion gases that can reduce your … Hy-C 13 x 13 Inch Stainless Steel Universal Chimney Cap with 3/4 Inch Mesh; Hy-C 13 x 13 Inch Black Galvanized Steel Universal Chimney Cap with 5/8 Inch Mesh; Hy-C 13 x 13 Inch Black Galvanized Steel Universal Chimney Cap with 3/4 Inch Mesh; Hy-C 10 in. The chimney is on the outside. 5 inch flue liner (125mm) for lining chimney stacks. consists of a flue liner and chimney wall. A flue liner is a secondary barrier in a chimney that protects the masonry from the acidic products of combustion, helps prevent flue gas from entering the house, and reduces the size of an oversized flue. Because Lifetime Chimney has one of the best warranties in the industry without a bunch of fine print or loop holes. 4.9 out of 5 stars (24) Total Ratings 24, $9.59 New. An insulated chimney (or prefab chimney) is a stainless steel flue that has been tested to resist temperature as high as 2100F. If the metal round metal exhaust pipe is 4 inches in diameter, the flue liner cross-sectional area should not be larger than 88 square inches. 4 Inch Solid Fuel Liner; 5 Inch Solid Fuel Liner; 6 Inch Solid Fuel Liner; 7 Inch Solid Fuel Liner; 8 Inch Solid Fuel Liner; Twin Wall Flue. SiS is a leading supplier of replacement parts to the stove industry and solid fuel trade. Gas & Electric Stoves. An insulated chimney (or prefab chimney) is a stainless steel flue that has been tested to resist temperature as high as 2100F. Chimney Stove Pipe. Of medium size, the Blackcomb II wood stove is ideal for heating spaces up to 1,800 ft² with a maximum heat output of 65,000 BTU/h. With only 1.26 g/h of particulate emissions, this non-catalytic wood stove gives off up to 65,000 BTU/h while largely meeting EPA standards. Clay flue liners are rectangular, so marking the hole will … Flue pipe and liner available in all diameters, including the most popular 5 inch 125mm / 130mm and 6 inch 150mm. Buy it now +EUR 40.07 … Flue Liner Sweeping Brush - 175mm (7 inch) View Product. Masonry stacks must be lined, and the vent penetration must terminate flush with, and be sealed to, this liner. Compare PVC 2 inches x 10 ft FLUE GAS VENT PIPE - System 636 . See All - Best Selling. 5" is Listed for Type “B” use/installation in a 2 x 4 and 2 x 6 wall. • Note that thimbles fit inside the hole of the … Our flexible multifuel flue liner kit is Class 1 and is engineered to the highest spec using Stainless Steel and has been tested to the relevant British and European standards – EN 1856 – 2 T450. View Product. For example an 8" x 8" square nominal clay chimney flue tile liner has inside dimensions of 6 3/4" x 6 3/4". FLEXIBLE FLUE LINER Manufactured from high grade stainless steel in 316 or 904 Triple Lock Joints Use With Wood,Gas, Oil & Smokeless Fuels Lifetime Warranty* BUY NOW TWIN WALL … … For O.D. Outdoor Cooking. Whether you are needing a quotation for Flue Liner, or are after handy competent … Why do you ask? … Available in the following diameters: 4 inch … 4.6 out of 5 stars (18) Total Ratings 18, ... iPower 4 Inch by 8 Feet Duct for Dryer Vent Hose Transition Temperature Range. 6" is Listed for Type “B” use/installation in a 2 x 6 wall. MetalBest® oval vent pipe, sizes 4", 5" and 6" provides the venting capacity of 4 inch, 5 inch and 6 inch round vent pipe. Compare PVC 2 inches x 10 ft FLUE GAS VENT PIPE - System 636 . We are FlueStore.com, who supply Flue Liner, Chimney Systems and Connecting Pipes for any job big or small. View Product. For example, 4 inches for a pipe 8 inches in diameter, the radius will equal half the diameter or distance across your pipe at the center. This article series provides information about masonry … The flue liner has a smooth inner liner made from 316L grade stainless steel and is 0.12mm thick. A 1-inch or wider air gap between the wall and the asbestos millboard or metal panel must be provided. Low Cost. A deteriorating gasket can lead to leaks of both heat & combustion gases that can reduce your … It is the visible pipe that extends out of the top or back of your stove and goes up inside your chimney - or, if you have a twin wall flue pipe system, up to your wall or ceiling.. As they are visible inside your room, chimney pipes need to look attractive. If you order a flexible liner kit or full twinwall flue system … Angeled Connector. Ok do you have to replace the existing 3 inch single wall vent pipe with a 4 inch pipe when replacing a gas fired water heater?