If your total length is within what the fan manufacturer specifies for that fan at the cfm rate you need - sure. Its steel construction offers strength and its white grille helps complement your bathroom. would not work properly. Or is there an option to go straight out through a side wall of the bathroom instead of out through the ceiling? Thanks for the discussion as well! For example Broan's calculator is at www.broan.com/Support/Specifier-Tools/Allowable-Duct-Length-Calculator, There you'll see that for higher CFM flow rates some fan models won't be acceptable period while others (according to Broan and I doubt this) are shown as "NL" or "no limit on length", Example: for a 40 CFM flow rate and a 3" smooth duct diameter and using just 2 elbows. Fax: 800.487.9915; 913.752.6466 Estimated lead times are based on normal buying patterns. [Above] is an image from the manual. The second is literally step 7 of the installation procedure that says "Connect 4 inch Round Duct". Product not much quality , package very poor, (Showing 1 40 products of 865 products). Our Comment Box is provided by Countable Web Productions countable.ca, Click to Show or Hide Citations & References, References for Bathroom Vent Fan Installation, Fantech in the United States That is what is confusing to me. This is a private listing and your identity will not be disclosed to anyone except the seller. The Powder Room is in the center of the first floor, without access to the exterior walls. unbrako fasteners industrylane inchx2 16amps 125a csk A bath vent fan duct that is too short may violate the manufacturer's installation instructions, may not work properly, or may be drafty; a bath vent fan duct that is too long may restrict air flow such that the fan is not functional. New duct damper technology provides a tighter seal, resulting in reduced warm and cold air backdrafts. - Lee. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. need quicker! Phone: 800.747.1762; 913.752.6000 However availability is subject to change. "About the House - Bathroom Vents", Henri deMarne. On 2020-06-20 - by (mod) - 4-inch diameter fan duct can be acceptable, From the fan specs"Fan shall have corrosion resistant galvanized steel housing JavaScript seems to be disabled in your browser. Defective products must be returned within 10 days of the invoice date for same item replacement. Carry Your Pup With You Wherever You Go- Shop Now, Broan-NuTone 505 Exhaust Fan, White Vertical Discharge Ceiling Ventilation Fan, 8.5 Sones, 200 CFM, 8 Size:8-Inch 180 CFM 6.5 Sones. Exception: Duct length shall not be limited where the duct system complies with the manufacturer's design criteria or where the flow rate of the installed ventilating equipment is verified by the installer or approved third party using a flow hood, flow grid or other airflow measuring device. Copyright 2022 Broan-NuTone, LLC. Phone: 800.565.3548; 506.743.9500 Finishing out basement bathroom the only wall I can run my exhaust outside is 32 away can I use 3 glued pvc and can I have a run of this distance, This Q&A were posted originally at BATHROOM VENTILATION CODES SPECS. Comply with those specs on duct length, elbows, diameter, etc and you'll be ok, including use of a 4-inch duct, as you can also see in the tables above on this page. 10048 Industrial Blvd., I reviewed various industry sources and did not see a maximum allowable distance, but typically we see it's 10 - 12 feet or less. There is little chance that these bath vents will work effectively and a good chance of pooling condensate in the low spots of the duct run. On 2020-06-19 - by (mod) - do I have to go up to a 6-inch diameter exhaust tube? Seller assumes all responsibility for this listing. Watch out: We explain at BATHROOM VENTILATION CODES SPECS, installers should make the bath vent fan duct run through the attic (or any other space) as short as possible. The fan is fit for sifting 180 cubic feet of air every moment at 6.5 sones, and the 8-1/4-inch-by-7-inch lodging fits a 8-inch round channel. IRC RESIDENTIAL SPECIALTY CODE - CHAPTER 15 EXHAUST SYSTEMS 2017 FLORIDA [PDF] modeled from the International Residential Code or IRC, IRC RESIDENTIAL SPECIALTY CODE - CHAPTER 15 EXHAUST SYSTEMS 2011 OREGON [PDF] modeled from the International Residential Code or IRC, The bath vent fan installation manuals we reviewed did not specify a maximum exhaust duct length, they just say route the duct to the outdoors. Copyright 1995-2022 eBay Inc. All Rights Reserved. The buyer must pay the return shipping and a 30% re-stocking fee. Why would a toilet require different venting when located in a pharmaceutical manufacturing plant? I haven't seen a gas code specification for the required clearance between a bathroom exhaust vent fan outlet and an incoming gas line or pipe at the building, perhaps because an exhaust vent opening should be venting only one-way: from the building interior to the outdoors. If you need to go to a larger duct size, there are adapters designed exactly for that purpose. 3 x 320 cfm = 960 cfm to be vented. roof or wall cap using 4 round ductwork.". The location of the exterior bathroom vent cap would be 10' away from the gas furnace output (horizontally) and about 38" below and to the left of a window. Should there be added freight charges incurred you will be notified of this at the time you place your Southern California Electric LLC. Broan-NuTone 503 bath fan, 8-Inch 160 CFM 5.0 Sones, White, Beleeb 6 Inch Inline Duct Fan 188 CFM 110V 18W, HVAC Exhaust Vent for Bathroom Basement Greenhouse Attic Kitchen, Low Noise, Aero Pure ABF80 L5 W ABF80L5 Ceiling Mount 80 CFM w/LED Light/Nightlight, Energy Star Certified, White Quiet Bathroom Ventilation Fan, AC Infinity CLOUDLINE T6, Quiet 6 Inline Duct Fan with Temperature Humidity Controller Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics, VERSATILE FAN: Fumes fan takes out dampness, tobacco smoke, and cooking smells. There are currently 1 available. in shower or tub enclosure when used with GFCI protected branch circuit. Note that the 2018 International Residential Code for One- and Two-Family Dwellings requires that, The actual exhaust venting distance between the exhaust fan and the building exterior point of termination. For the best experience on our site, be sure to turn on Javascript in your browser. The Broan/Nautilus 180 cfm vertical release fan disposes of moistness from pantries, tobacco smoke from rec rooms and workshops, or cooking exhaust from kitchens. Your local building code inspector is the final legal authority on building code questions. This means a faster, easier installation, so you can move on to something else, 80 CFM, Effective ventilation to remove moisture and reduce the risk of mold or mildew in most full baths; 1.2 Sones for Quiet performance, enough sound to know your fan is on; TrueSeal Damper technology reduces air leakage up to 50%; EzDuct connector can be installed from the room side, with no attic access required ENERGY STAR certified for energy efficiency, 50 CFM, Sufficient ventilation to remove odors and pollutants from your smaller powder room or bathroom; 0.5 Sones for Ultra quiet performance, you might not notice it's on; TrueSeal Damper technology reduces air leakage up to 50%; EzDuct connector can be installed from the room side, with no attic access required. The chart seems to indicate that I need to use 6 duct, but the fan duct adapter is only 4. The fan is supported with a 1-year restricted producers . He is also a contributor to InspectApedia.com in several technical areas such as plumbing and appliances (dryer vents). Use the fan in rooms up to 85 sq. Need Help? Local store prices may vary from those displayed. Fax: 877.747.8116; 506.743.9600 On 2022-05-04 All Rights Reserved. Lenexa, KS 66215 availability with the manufacturer. Freight Policy in our Terms and Conditions, Flex Series 70 CFM Ceiling Room Side Installation Bathroom Exhaust Fan with Light, Exhaust Fan 80 CFM 6 Inch Vertical Discharge, Multi-Speed, White, Single-Speed Ventilation Fan, 110 CFM, 3 Sones, Exhaust Fan 110 CFM 4 Inch Vertical Discharge, White, with Light, Bathroom Exhaust Fan with LED Light 80 CFM; 1.5 Sones In-Vent Series Single-Speed, Exhaust Fan 80 CFM 7 Inch Vertical Discharge, Single-Speed Fan Light, 80 CFM, 1 Sones, 12 Amps, with Light, Exhaust Fan 80 CFM 4 Inch Vertical Discharge, White, Room Size 75 Sq Ft, Exhaust Fan 50 CFM 4 Inch Vertical Discharge. FWIW, my bathroom has a window, so maybe I can just install it, even if it's not to code? Or run the flexible ductwork about 15 feet up the pitch of the main roof. Mounting Type,Wall/Ceiling;Current Rating,1.5 Amp;Sound Level,6 Sones;Duct Shape,Round;Duct Size,7";Grill Shape,Rectangular;Grill Size,9-1/2" L x 8-11/16" W;Grill Material,Polymeric;Grill Finish,White;Housing Shape,Round;Size,6-15/16" Dia x 6-1/2" H;Housing Material,Rugged SteeL; Accessory Type,Wall Cap; Used On,8" Ventilation Fan Duct; Style: Wall Cap; CFM, Mounting Type,Finished Ceiling;Voltage Rating,120 Volt;Current Rating,1.2 Amp;Sound Level,1.5 Sones;Ventilation Area,65 Sq Ft (Bathroom);Lamp Type,Incandescent;Lamp Wattage,75 Watt;Lamp Included,No;Duct Shape,Round;Duct Size,4" Dia;Grill Shape,Round;Grill Size,7-3/8" Dia;Grill Material,Polymeric;Grill Finish,White;Housing Shape,Rectangular;Housing Material,26 Gauge Galvanized Steel;Size,8-1/4" L x 12-3/4" D x 6-7/8" H;Approval,UL (Canada and US), Mounting Type,Ceiling;Voltage Rating,120 Volt AC at 60 Hz;Current Rating,0.82 Amp;Sound Level,6.5 Sones;Ventilation Area,105 Sq Ft (Kitchen), 196 Sq Ft (Bathroom), 262 Sq Ft (Other Room);Duct Shape,Square;Duct Size,7";Grill Shape,Round;Grill Size,11" Dia;Grill Material,Anodized Aluminum;Grill Finish,Silver;Housing Shape,Round;Size,9" Dia x 5-5/8" H;Housing Material,Galvanized Steel;Approval,UL, Mounting Type,Ceiling;Voltage Rating,120 Volt AC at 60 Hz;Current Rating,1.9 Amp;Sound Level,3.5 Sones;Ventilation Area,95 Sq Ft (Bathroom), 125 Sq Ft (Other Room);Lamp Wattage,100 Watt;Lamp Included,No;Lens Type,Frosted Glass, Brightly Diffusing;Duct Shape,Round;Duct Size,4" Dia;Grill Shape,Round;Grill Size,15" Dia x 1-5/8" H;Grill Material,Polymeric;Grill Finish,White;Housing Shape,Square;Housing Material,0.02" Galvanized Steel;Size,9" L x 9" W x 6" H;Approval,UL, Shape ,Round;Current Rating,14.2 Amp;Heating Element Rating,1500 Watt;Lamp Wattage,100 Watt;Air Flow Rate,70 CFM;Sound Level,3.5 Sones;Material,Galvanized Steel;Finish,White Enamel;Housing Size,13-1/4" W x 7-1/2" H;Approval,UL, Shape ,Round;Current Rating,4.5 Amp;Heating Element Rating,500 Watt;Lamp Wattage,250 Watt;Air Flow Rate,70 CFM;Sound Level,3.5 Sones;Material,Sturdy Steel;Finish,White Polymeric;Housing Size,8-3/8" L x 14-1/4" W x 6-3/8" H;Approval,UL, Mounting Type,Ceiling;Current Rating,0.4 Amp;Sound Level,0.7 Sones;Ventilation Area,105 Sq Ft;Duct Shape,Round;Duct Size,6" Dia;Grill Shape,Rectangular;Grill Size,13" L x 14" W;Grill Material,Polymeric;Grill Finish,White;Housing Shape,Rectangular;Size,10-1/2" L x 11-3/8" W x 7-5/8" H;Housing Material,Rugged 26 Gauge Galvanized Steel;Approval,UL, Mounting Type,Ceiling;Current Rating,0.5 Amp;Sound Level,1.4 Sones;Ventilation Area,140 Sq Ft;Duct Shape,Round;Duct Size,6" Dia;Grill Shape,Rectangular;Grill Size,13" L x 14" W;Grill Material,Polymeric;Grill Finish,White;Housing Shape,Rectangular;Size,10-1/2" L x 11-3/8" W x 7-5/8" H;Housing Material,Rugged 26 Gauge Galvanized Steel;Approval,UL, Mounting Type,Ceiling;Air Flow Rate,110 CFM;Current Rating,14.6 Amp;Sound Level,0.9 Sones;Ventilation Area,100 Sq Ft;Lamp Type,Incandescent;Lamp Wattage,120 Watt;Lamp Included,No;Heater Type,1500 Watt;Lens Type,Snap-In Light Diffusing;Duct Shape,Round;Duct Size,6" Dia;Grill Shape,Rectangular;Grill Size,13" L x 14" W;Grill Material,Polymeric;Grill Finish,White;Housing Shape,Rectangular;Housing Material,Rugged 26 Gauge Galvanized Steel;Size,17-5/8" L x 11-3/8" W x 7-5/8" H;Approval,UL, 80 CFM reduces humidity to quickly eliminate fogged mirrors and manage moisture in bathrooms up to 75 square feet, so your vision will always be clear and your surroundings will always be comfortable; Retrofit installations can be done entirely from the room-side no attic access required. I noticed water dripping from the bathroom fan when I shower. Is there a minimum distance from your outside main gas line and meter that a bathroom fan can be vented out to at the side of your house? many delivery trucks. We implore you to check your packageRIGHT WHEN YOU RECEIVE IT. You note for the best bath vent fan duct termination to route the duct: horizontally through the building wall at a building gable-end wall (first choice), or if the gable end is too distant . The first is in this picture. On 2020-04-22 by P.J. The bathroom is at the front of the house, basically under the front porch, leaving me little options for venting at the nearest exterior wall due to the porch (and a wife who does not particularly care for a vent on the front of the house). @scott waterman, Spartan Pro Vento 6 inch, Blade Size 150 mm, Axial/Exha HM METAL FRESH AIR 9 INCH 225 mm Exhaust Fan. You may not order a quantity greater than is currently available. The size of the room calls for a fan rated at 85CFM. However availability is subject to change. application. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. On 2020-01-20 - by (mod) - factor in elbows and other restrictions in maximum duct length and minimum duct diameter as well as fan cfm. The number of bends or elbows as well as the type of duct material make an enormous difference on the ultimate airflow through the ductwork. It seems very likely that venting into a chimney is going to just cause condensate to drip back down through the vent system. The fan vents moisture in bathrooms up to 60 sq. (the spec sheet also specifies 4" duct). For higher CFM exhaust fans and for longer runs, you will need to use a larger-diameter exhaust duct than the 4-inch minimum. Thank you for the helpful discussion. InspectAPedia tolerates no conflicts of interest. vent fans vary in their power, the length of the vent ducting could provide enough airflow resistance to a small vent fan that it Am I going to have to use an adapter to go up to 6" tube? Having a huge moisture issue in upstairs full bath, I even changed fan to a 110 cfm n still having issues including mold, it vents out side of house through the attic about a 15' run with 3" flex pipe, it could be pinched but out side flap still opens, should we rerun it with 4 orv6" pipe or flex or should we higher someone to vent through roof. Do Not Sell My Personal Information, Bathroom Fan, Duct Diameter 6 in, Housing Material Steel, Housing Finish Galvanized, Includes Duct Connector, Round Damper, Maximum Airflow 60 cfm, Maximum Coverage Area 55 sq ft, Maximum Noise Level 5 sones, Ceiling Bathroom Fan, 60 cfm cfm, 6 in Duct Dia., 120V AC, No, 20112022 Zoro Tools, Inc. All rights reserved, BROAN Ceiling Bathroom Fan, 110 cfm cfm, 4 in Duct Dia., 120V AC, Energy Star Certified RB110, BROAN Ceiling Bathroom Fan, 110 cfm cfm, 4 in Duct Dia., 120V AC, Energy Star Certified AE110S, BROAN Exhaust Fan, Selectable 110-130-150 CFM, D, Energy Star Certified QTXE110150DC, BROAN Exhaust Fan Grille 9"x9-1/4", White BP46, BROAN Ceiling Bathroom Fan, 50 cfm cfm, 4 in Duct Dia., 120V AC, Yes A50L, BROAN Roomside 80 CFM Decorative Ventilation Fan Light 744L, DELTA BREEZ Fan/Humidity Sensor 130 Cfm VFB25AEH, BROAN Ceiling Bathroom Fan, 80 cfm cfm, 4 in or 6 in Duct Dia., 120V AC, Energy Star Certified XB80, BROAN-NUTONE, LLC Broan QTXE080 Energy Star Ventilation Fan 80 CFM 0.3 Sones QTXE080, SOLER & PALAU Ceiling Bathroom Fan, 40/90/110/120/140 cfm, 6" Duct Dia., 120V/60Hz PCD110XM. Longer duct runs provide more air resistance, a problem you can mitigate by using solid metal ducting or metal flex duct rather than the more sinuous plastic and wire flexduct often found in these installations. Take a look at the vent fan installation manualfor the particular bathroom vent you are installing. 90 CFM, Powerful ventilation to remove moisture and reduce the risk of mold or mildew, 4.0 audible sones for privacy while using in any room, Easy installation through wall 3"5" thick, Paintable white grilles blends in with any dcor, Galvanized steel housing for superior durability. in order to make the vent fan as quiet as possible, mount the fan itself as far as possible from the intake register in the bathroom. is indeed just enough to squeeze in a full bath (with shower). If you wish to cancel an order for any reason, it must be done viaTelephoneor EMAIL. The inline exhaust fan can go anywhere in that length when you figure that the forces it has to overcome include BOTH the losses on the fan's suction or inlet side AND the losses on the fan's outlet side. Time is money; we get that! Light weight and looks durable, Fiting point has not giving in fan. How do the codes apply to Fantech fans, particularly where Fantech recommends their 4" flexible insulated pipe attached to a 110 CFM fan (the specs show that its max is actually 139 CFM). The packaging could have done better because of transportation there are some metal bending occurred. So what she requires takes force of law. d. NL = no limit on duct length of this size. That should be given in its manual. Web search 7/26/11 - original source http://fantech.net/docs-resi/412889-pb-install.pdf cases this might be a viable option. This could possibly be anything from standard UPS, next day/second Broan Fan Model EZ80N can run up to 34 ft. The total pipe / duct length is approximately 17', with 3 elbows. I don't want to install the Fantech fan if the inspector is going to tell me it is not permitted. I hope this rough picture helps. Any advice, comments, suggestions, or warnings would be greatly appreciated. Watch out: be sure to see the details of duct length limits given just below on this page. Please call one of our knowledgeable customer service representatives who can help you get the items you 24vdc mccb 63a The vent material (smooth vs. corrugated or worse), The number of elbows required along th vent duct path, The installation instructions provided by the fan manufacturer. Make sure your house is OK with Broans Roof Vertical Release Fumes Fan! This means a faster, easier installation; EzDuct connector can be installed from the room side, with no attic access required, InVent Series solution for every installation. The fan comes with a connection for 4" vent tube. * Customers in Canada, Hawaii, or Alaska please call us so we can provide an accurate quote. Claims received after 5 business days from receipt of shipment will not even be entertained; no exceptions. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. Specifications CFM: 80; Sones: 1.5; Duct Diameter: 4 in. by "run the vent through the main roof then through the garage roof" However, we can run a 4" foam-core PVC pipe up through an insulated interior wall on the second floor, to the attic. Bottom line: a 4-inch exhaust duct diameter is perfectly permissible and will work fine as long as the CFM rate of the fan OR the length of duct run (including effects of elbows or bends) does not exceed what the manufacturer recommends. These are the only two places where ducting is shown or mentioned. Automated page speed optimizations for fast site performance, Broan-NuTone 505 Exhaust Fan, White Vertical Discharge Ceiling Ventilation Fan, 8.5 Sones, 200 CFM, 8, Be the first to review Broan-NuTone 505 Exhaust Fan, White Vertical Discharge Ceiling Ventilation Fan, 8.5 Sones, 200 CFM, 8. The length of exhaust and supply ducts used with ventilating equipment shall not exceed the lengths determined in accordance with Table M1506.2. On 2020-06-20 by Chad This means a faster, easier installation, so you can move on to something else, 110 CFM, Effective ventilation to remove moisture and reduce the risk of mold or mildew in most full baths; 1.3 Sones for Quiet performance, enough sound to know your fan is on; 100-Watt maximum incandescent A19 type bulb or energy efficient equivalent bulb with maximum overall length of 4.4 in. These fan models use a remote fan motor and Other sources vary slightly from these numbers. Use as few bends as you can. The ceiling cavity was later filled with solid foam insulation (second photo below). Can it be that the dripping is condensation? - Broan AR-110 exhaust vent fan installation manual & specs. Cookies are required for some functionality on our site. Because bath and kitchen The fan is designed for easy, interior wall installation. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. These are properly-termed resistance to air flow or SP or Static Pressure. Ceiling mounted ventilation fan features foldable mounting ears and EZ Duct connector for easy installation. Terms & Conditions but the new bathroom is located directly under the existing main roof and directly under the garage addition with is tied into the exiting roof at a 90 degree angel. discharge nutone broan Watch out: While there is no single "Right Answer" to allowable duct length without considering a number of parameters, as you'll read below, a 3-inch diameter exhaust duct for a bath vent fan is not going to work for you nor anybody else unless your design accepts a 50\ cu ft CFM and a maximum length of five feet. Some of the fan models will show "no limit" to duct length (that I question) but look again: the calculator may have changed the vent duct diameter from 3" up to 7" or 8". This fan features a high-strength, reinforced fan blade and galvanized steel housing that resists moisture. Your payment information is processed securely. what is a distance the would be within you recommendation. For the best experience on our site, be sure to turn on Javascript in your browser. Is This Acceptable? ChadCertainly a manufacturer's instructions are most-important to follow.I'd like to have a copy of that manual for review, and to see the manufacturer and the age of the product and its information. Where the bathroom is located if I ran the ductwork to the west side of the house it would be a 20 foot plus run, if it went to the east outside wall it would be around 18 ft, and if I went up to the top of the main house attic it would be 15 ft. Can't go toward garage side best it would vent directly into the garage. what is a distance the would be within you recommendation? Next day and second day air freight is available at the customers expense. capacity of currently-sold bath vent fans. Would you like to continue, or switch to the Canadian site? Can I vent this bathroom through two roof lines? The vent fan will be able to overcome the total head or weight of air in a building chimney. All rights reserved. This conservative unit is structured with an electrifies steel lodging to fit effectively between roof joists enabling you to put it any place its required most! The exhaust vent must comply with local codes that in turn are typically adopted versions of the 2015 IRC Section M1506.2 and/or the 2018 IRC Section M1504.2 (ft), So we need to know the Brand and model of your exhaust fan and then to look at that manufacturer's specific installation instructions (that will include duct length and length-equivalent numbers for each elbow or bend), Also, though I emphasize that following the instructions for your specific exhaust fan are the first place to check, the fan manufacturers also include exhaust vent fan length calculators. @Bill, Anonymous and Curt: just check the total equivalent duct length after you've factored in elbows and other restrictions, to be sure the CFM will be adequate. The electrifies steel house introduces effectively between roof joists for use any place you need it most, EFFICIENT: Works on 180 CFM and 6.5 Sones to guarantee excellent performance, EASY Establishment: Incorporates steel mounting sections with keyhole spaces for a quick and simple installation, DECORATIVE: Paintable polymeric grilles enable you to guarantee the fan is firm with your current decor, SAFE: This 8 fan is Vitality STAR confirmed and HVI affirmed to guarantee safe use for quite a long time to come. We haven't yet found a bath vent fan manufacturer's spec nor building code or ASHRAE specification limiting the horizontal run length for bathroom vent fan ducting, Can a inspector require the use of 5" duct for bathroom fart fans with capacity of 100cfm but only set and using 50cfm. Lead times can often be improved by shipping direct from the manufacturer to your location. This product is local and does not have good quality. Rated #1 Electrical Supply & Lighting Store | Call us at (323) 939-9900, your next purchase and receive exclusive offers. Typically the garage will have fire-rated drywall on walls and at least part of its ceiling adjacent to the home's occupied space. requirements we can bypass normal buying cycles and get your parts on order right away after confirming Fantech recommends a minimum of eight feet of insulated flex duct between the exhaust inlet register or grille and the fan motor. The Broan 90 CFM White Exhaust Fan reduces moisture to help prevent mildew. Who do you higher, ac guy, plumber, roofer electrician? with four-point mounting capability. Worst xperince, Running smoothly as of now. www.fantech.net; info@fantech.net, Fantech in Canada It shall be ducted to a We implore you to check your package. Im confused by the charts for recommended duct length. What is the recommended formacitical manufacturing industry worker toilet exhuast system details. times this is dependent on the manufacturers terms and conditions and the size of the order but in many Fantech recommends a minimum of eight feet of insulated flex duct between the exhaust inlet register or grille and the fan motor. Continue readingat BATHROOM VENT DUCT MATERIALS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. Items claimed "defective" will be assessed by us upon return. Fifteen feet of allowable duct length shall be deducted for each elbow installed in the duct run.
6 inch vertical exhaust fan