Get the biggest liner down that fits (for oil) up to about 8". JavaScript is disabled. Below is a chart for sizing gas appliance liners: This can cause smoke to pour out of the stove and it can also cause gas and oil appliances to fail. I have gotten all sorts of liner sizes recommended. 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. Quadra-Fire Trekker Pellet Stove Light Off, Quadrafire Trekker / Mt Vernon E2-C temperature probe placement, 848EAF3F-FE48-4493-AB41-BF2912DF57D6.jpeg, 1B4CF7CD-0511-4494-81AC-ECF230C6186A.jpeg, 39B25E8A-293B-42E7-8DE1-943AB026A2EA.jpeg, BFA1D4DD-737A-4B73-B4FF-F440B5C886A6.jpeg, 888A5D3F-13C0-4D03-AAC6-F91D1E8DD757.jpeg, 1234B877-B08C-4178-8C84-62510FCE5D3A.jpeg, 8C7B60B8-597B-4349-A812-70251BA441D1.jpeg, Home Made Pellet Stove Controller (2).JPG, 71A87E55-8AA5-4F49-99FE-9B2E3AE0DDC2.jpeg. For Hot Water Heaters and Oil Furnaces the ideal diameter of the liner needed to vent your appliance is the size on your unit. When it comes to determining the liner size for a masonry fireplace, it's just mathematics. How often should a chimney be inspected? Find lining sizes for Wood, Oil, and Catagory I gas appliances. To maintain UL Listing 1777, 1/4” of insulation between the masonry and the liner provides for 1” clearance between the exterior of the chimney and combustible material. The combustion of fuel from an oil furnace creates a corrosive by-product of unburned carbon and sulfur commonly known as soot. Another cost effective option in this scenario is to choose an oval, rectangle or square chimney liner – we have a guide for that too! For example, if it has a 6" opening where the pipe is to be inserted, that is the ideal size Chimney liner you need. Gas Oil Liners AL29-4C flexible stainelss steel liner kits are specified for use in high efficiency furnace and venting designs (typically 86% or greater efficiency). When using Extend-A-Cap kit, liner must extend 6″ above top of the masonry surface. Once you understand how the formula works then it becomes easy to size the liners. To be safe, we recommend a 10-1 ratio for chimneys less than or equal to 25 feet in height and a 12-1 ratio for … An app targeted at chimney professionals for sizing chimney liners and vents. Required chimney area can be calculated as. For ordering multiple sections of liner/pipe, try our Chimney Liner and Flue Pipe Length Calculator. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Technical Questions . Find lining sizes for Wood, Oil, and Catagory I gas appliances. In a few simple steps, you’ll be able to see your options for chimney liner size and type: For single appliances, this will be all you need to choose to get the correct size and type of liner for your application. The ideal flue size is typically determined by the exhaust outlet of the stove or appliance. Z-VENT ® ® Page 7 Nose Cone Part No. All tools and tee connector parts are explained. The chimney liner should never be undersized for any appliance, especially to accommodate insulation around the liner. In any situation you should first consult the manufacturers instructions of your appliance before installing a liner. I plan to put in two boilers with a combined input of 301 MBH. This is the pre-launch preview of the chimney liner sizing guide for Android. Chimney Liner Size Calculator & Guide Provided by Rockford Chimney. Subtract 1 1/2″ overlap per joint on pipe. It's full of cold dense air that must be pushed out the top like a giant push pop. Chimney BTU Calculator. However, the interior of your chimney (especially after insulating) may not have the adequate space. A 10-1 ratio should be used for chimneys less than 25 feet in height and a 12-1 ratio for chimneys greater than 25 feet in height. 3: Determine use of round or oval pipe based onthe interior shape of the chimney: 4: Determine the length of liner needed. If it is necessary a single joint can be allowed to join two liners. You can also choose sizing ratios, and the gas chart will automatically show reductions for using corrugated liner for gas. Aluminum Chimney Gas Liner Kits GAS APPLICATIONS ... Oil Liner Finders make it fast and easy to match the right Z-FLEX® product and size to the liner application. Open Fireplace Liner Sizing Guide The chart below uses a 10-1 ratio. Most stainless steel chimney liners come with a lifetime warranty. Chimney Draft Chart. For the best experience on our site, be sure to turn on Javascript in your browser. An app targeted at chimney professionals for sizing chimney liners and vents For example an 8" x 8" square nominal clay chimney flue tile liner has inside dimensions of 6 3/4" x 6 3/4". 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. The liner may be purchased in various lengths to suite chimney height. There is a liner for every chimney, it just takes a little time and guidance to choose the right one. This app shows either the raw charts or you can you the gas sizing wizard, which will choose the right chart for you. To be safe I am assuming I need 375 MBH liner capacity just for a little cushion. Chimney Draft Chart (pdf) Chimney Area. A flexible stainless steel chimney liner kit is suitable for wood burning, gas, or oil applications. Measure the exhaust collar of the appliance. :____ Dia. Design velocities of larger furnaces should not exceed 10 m/s. The chimney liner should never be undersized for any appliance, especially to accommodate insulation around the liner. Flue diameter and … Metal chimney liners, usually stainless chimney liners, are primarily used to upgrade and repair existing chimneys. A chimney that is 6 inches in diameter has a 28.3-square-inch usable area, also called the cross section, through which to remove the combustion byproducts. We have made this job of sizing a chimney liner easy and simple for you. (See the Shaped Chimney Liner Conversion Calculator). Wood stoves generally require between 6-8 in diameter chimney liners. :____ Dia. Wood burning appliances can use 304L, 316L, or 316Ti stainless steel. (3m) unless a draft fan is used. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney. Some manufacturer's such as Duravent provide a liner sizing guide as shown in the example with the fireplace. The chimney liner must not be sized less than that speci fi ed in the appliance manufacturerʼs instructions. Step-by-step process for attaching your Rock-Flex chimney tee body, snout and bottom termination to the chimney liner and through the thimble. tested and listed, and if properly installed and maintained are extremely safe and durable. Insulating blanket is also available in precut lengths. It is important you take the time and learn what needs to be done for a successful installation. This app shows either the raw charts or you can you the gas sizing wizard, which will choose the right chart for you. It is important you take the time and learn … : 2NCXXXX Dia. First, you must determine the appropriate size chimney liner for your specific setup. You do not want to reduce the size of the liner if you find that you are unable to successfully install the liner down your chimney. The rule of thumb for sizing a chimney liner is that you never want it to be smaller than the appliance exhaust hole and you don't want the liner to be three times the area of the exhaust hole of the appliance. The velocity of air and flue gas in a smaller furnace should not exceed 2 m/s. My chimney is 32 feet high (some say 35, I haven't measured). 6.5.1 An oil-burning appliance shall be placed so that the chimney connector is as short as practicable. Stainless steel chimney liners are U.L. Aluminum Chimney Gas Liner Kits GAS APPLICATIONS ... Oil Liner Finders make it fast and easy to match the right Z-FLEX® product and size to the liner application. : 2NCXXXX Dia. All Rights Reserved. 1/4” insulation kits will add about 3/4” to the diameter of the liner. This can cause smoke to pour out of the stove and it can also cause gas and oil appliances to fail. Once you get bigger and you have a setback T'stat, you may find the chimney not to 'prime' or be 'self-starting'. Does an Oil Furnace Need a Chimney Liner?. 11-2 The Chimney Design Chart 11-3 Design Chart Recommended Factors 11-4 Steps to Use Design Chart, Figure 34, for Sizing 11-5 Example Using Design Chart to Find Gas Vent Size SECTION 12 checkinG vent systeM operAtion Draft Hood Spillage Appliance Fails to Operate Cold Backdraft Hot Backdraft Gas Leakage at Joints 12-6 Condensation Leakage 12-7 Gas and Condensate Leakage 12 … Chimney Liner and Flue Pipe Length Calculator. Choosing the correct type of liner will ensure a quality, lifetime warrantied liner. This is no job to cut corners though. Chimney flue size rules: B-Vent Chimney Capacities Venting a Single Heating Appliance Table C-9-B Masonry Chimney Venting Capacities Venting a Single Appliance, BTU Capacity Table C-9-C Flue diameter and height requirements for Category I Draft Hood and Fan Assisted Appliances, Size specification requirements for chimney flues and vents - diameter, height, etc. The standard 10-1 ratio has been used in the chart above. Chimney Liner Size Calculator and Selection Guide. Installing a stainless steel chimney liner down your chimney is the best and most economical way to revive a deteriorated chimney flue. Not all stainless steel chimney liners are considered "all" fuel liners. Installing a stainless steel chimney liner down your chimney is the best and most economical way to revive a deteriorated chimney flue. You may notice that there are offsets in the flue or maybe mortar protruding inside the flue that will restrict the liner from being lowered. AL29-4C is a stainless steel alloy designed for extreme resistance to corrosion which makes it an ideal choice for venting high efficiency furnaces and boilers, corn, oil, and gas burning appliances. We are here to answer all of your questions. The liner size is the number one factor for the appliance to burn properly. For Hot Water Heaters and Oil Furnaces the ideal diameter of the Chimney liner needed to vent your appliance is the size on your unit. Z-VENT ® ® Page 7 Nose Cone Part No. Undersized liners will not allow the appliance to vent properly. How does Olympia Chimney help you size oil and gas appliances? Determining Fireplace Liner Sizing. 7. Chimney lining systems are responsible to vent an appliances flue gasses to the exterior of your home. Please call us before purchasing a Chimney Liner 6. For example, if it has a 6" opening where the pipe is to be inserted, that is the ideal size liner you need. Doing the work as a D-I-Y homeowner can save hundreds and possibly thousands of dollars. This handy guide is provided to assist you in choosing the right size and type of chimney liner for your home. Under-sizing a chimney liner can cause the appliance to not function properly and produce a poor draft. ‎An app targeted at chimney professionals for sizing chimney liners and vents. If you need to convert round liner dimensions to oval or rectangular, try our Liner Shape Calculator. Nose Cone is a catalog item and is sold by Z-Flex. Gas burning should use 316L, 316Ti, or AL29-4C stainless steel chimney liners. The size of the liner should match the outlet size on the appliance. With the use of an Regular all-fuel SS Liner available in 4" to 8" diameters Pellet Kits available in 3" to 4" diameters Standard Flex Kit Lengths - 25' and 35' Clearances - 0" between liner and masonry chimney interior with the insulation wrap Obtain an oil and gas “slide sizing chart” and in a few seconds you can correctly size the appliance you’re working with. The convenient “slide rule” design is simple to use, portable, and foolproof. Just muliplying these dimensions together (6.75 x 6.75) = 45.56 sq.in. This app is designed for chimney and HVAC professionals. This could lead to smoke or carbon monoxide into the home. Chimney liners also improve the energy efficiency of the appliance and makes fireplace maintenance easier. Use this tool to quickly calculate flue diameter or BTU’s for single or multiple category 1 appliance venting. How to install your Rock-Flex chimney tee body, snout, and bottom termination. The convenient “slide rule” design is simple to use, portable, and foolproof. For a better experience, please enable JavaScript in your browser before proceeding. After you know what the correct size liner is for your appliance, you must now examine your chimney flue to ensure that the liner will fit down your chimney. For natural-draft appliances, the horizontal length of a chimney connector shall not exceed 10 feet. Always take a bright flashlight with you when you are examining the flue. Tools are available for rental to remove the clay flue at our website. For the best experience on our site, be sure to turn on Javascript in your browser. The hot and buoyant flue gases will remain hot, exit the flue quicker, cool less and be much less likely to condense on the chimney or liner walls. There will be a water heater of up to 65 MBH. Is there an online liner size calculator? A = Q / v (3) where. Choosing the correct size liner for your appliance is crucial to ensure your appliance or stove is running properly. However, the interior of your chimney (especially after insulating) may not have the adequate space. Please call us if you have any questions or need further assistance. Properly-sizing a chimney liner will greatly reduce condensation within the venting system. Undersized liners will not allow the appliance to vent properly. In comparison, a 12-inch chimney size provides a cross section of 113 inches through which to vent smoke. Chimney Liner Size Calculator And Selection Guide, Chimney Liner Size Calculator & Guide, Shaped Chimney Liner Conversion Calculator. Doing the work as a D-I-Y homeowner can save hundreds and possibly thousands of dollars. Stainless Steel Chimney Liner Kits For... All Fuel Stainless Steel Kit; All Fuel Insert Kit; View All Products >> Z-Flex® Chimney Liner Kits - Gas, Aluminum. The basic method for the chimney flue size calculations is “The Seven Times Rule” (applies to natural draft and / or fan assisted type appliances vented into the same chimney).
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