All vent systems are for horizontal venting of all Sterling GG gas heaters. (3in X 4in adapter for use with 45K and 50K models only.) In other words, in a Category I venting system, if there is a leak in the venting system, air from the space will flow into the flue pipe and no flue gas will flow into the space. However, the most common material sold in heating supply houses is stainless steel vent pipe. Time-tested installations throughout North America and globally. Make sure your home is properly ventilated with venting from Menards®. This is made of AL-294C stainless steel for added durability. Note: most double wall vent pipe is also certified to Category II, III and IV per UL 1738. While there are many requirements for the venting system in UL 1738 (3rd Edition October 4th, 2010), the main requirements that the vent pipe must meet are: In order to meet the first requirement, the vent pipe can be made from a variety of materials including aluminum alloy, porcelain coated steel, stainless steel and several others. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. There was to much 4 inch piping shipped to do the job. The drip tee is used to drain condensation if you do not have a 1/4" for foot downward slope in your horizontal vent line. Category III refers to positive vent pressure which is created by exhaust blowers in unit heaters. These are the most durable, longest lasting, and lowest maintenance vent systems available for these gas heaters. 5" Single Wall Stainless. The 90 degree elbow allows installation of a gas heater at a 90 degree angle inside the structure. All pipe and fittings are UL1738 approved for category II, III and IV... Sterling GG Category 3 Horizontal Vent Kits. Category III is defined as a gas heating appliance with a flue loss equal or greater than 17% (non-condensing) with a positive vent static pressure. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. Category I horizontal venting is only possible in commercial applications. Vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. These vent systems must be constructed of AL29-4C® stainless steel, contain gaskets for sealing, and have a built in mechanical locking band among other requirements. 1-888-888-9050, Shipping InformationOrdering & ReturnsPrivacy PolicyAbout UsContact Us, Sterling 4" Garage / Shop Vent Kit Includes, Sterling 4" 45 Degree Garage / Shop Vent Kit Includes. Category I is defined as a gas heating appliance with a flue loss equal or greater than 17% (non-condensing) with a negative vent static pressure. UL1738 approved for category II, III and IV appliances. For vertical applications: Since hot flue gas naturally rises, it is possible for the flue pipe to be under negative pressure even if the gas-fired appliance has a power venter forcing the flue gas into the vent pipe. Sterling 4" 45 Degree Garage / Shop Vent Kit IncludesFor heaters installed at a 45 degree angle to the wall in structures with an exterior wall at least 4" thick. What is UL 1738? One of the most common questions we get from customers is about how to install our units. Mr Heater Horizontal Venting Kit 4in Stainless Steel Horizontal Vent Kits are designed to fit the MHU45, HSU45, MHU50, HSU50, MHU75, HSU75, MHU80 and HSU80 model unit heaters. Price $102.00. It should be noted that for residential appliances, all horizontally vented appliances are considered Category III regardless of the space pressure or booster fan. These appliances have their own special venting requirements that we will deal with in a separate paper. Category iii vent pipe, al29-4c for use in boilers, tankless water heaters, pool heaters, and other appliances requiring category iii stainless vent pipe or category 3 vent … Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. 4.0 out of 5 stars 67. While they may still be installed vertically, due to the additional length of the combustion air pipe, the hot flue gas rising is not able to overcome the friction of the additional vent pipe. furnace pipe 2/11/2018. Chapter 13 Sizing of Category I Venting Systems •Vent Connectors –Slope ¼ in/ft upward to chimney/vent –Not smaller than appliance flue –Up to 2 sizes larger than appliance flue –Length depends on type for single appliance •Single wall 75% of vent height •B-Vent 100% of vent height –18”/inch diameter for multiple appliances 34 I would recommend this product! Single wall vent pipe must meet NFPA 54, section 12.8 which requires the vent pipe be constructed of galvanized sheet steel not less than 0.0304” thick or equivalent material. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. Vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. Requires at least 4” overlap for a secure connection. One problem I had was the end cap joint. Single wall and double vent pipe are designed to lock together and usually include an internal seal to help seal the joint. In order to meet the second requirement, the vent pipe must be single or double wall vent pipe. - Certified for residential, commercial and industrial use. The first step to determine if your venting system is Category I or III is to identify if your venting system is vertical or horizontal. Adjustable length. In other words, any water that gets into the vent pipe opening must be able to run freely all the way to the sewer, without creating a "trap". Double wall vent pipe, while more expensive, has a lower surface temperature which will reduce the clearance to combustible requirements. For Sterling models GG30, GG45, GG60, GG75, GG90, GG105, & GG120Each vent system comes complete with everything needed to vent a Sterling GG heater. It must be part of a “listed vent system” that has been tested and approved by the 3rd party certification agency for use with the unit. In a Category III venting system, if there is a leak in the venting system, flue gas will flow from the flue pipe into the space. Looking for DAYTON Venting For Gas Heaters, Compatible with Product Type Dayton Infrared Tube Heaters (2C448)? It is an UL listed product Heatfab is the leading manufacturer of high quality venting systems for Special Gas Vent applications, specified by OEMs for over 20 years. Mr. Heater 3 Inch Vertical Vent Kit for Big Maxx MHU50LP and MHU50NG Unit Heaters. "'-, GAMA VENTING TABLES FOR CATEGORY I CENTRAL FURNACES These vent systems must be constructed of AL29-4C® stainless steel, contain gaskets for sealing, and have a built in mechanical locking band among other requirements. They are: 1. flue-gas temperature 2. heat loss in the vent 3. vent height 4. vent system capacity 5. restrictions to flow and 6. the ambient temperature. The piping was easily installed with one section being adjustable for length. The amount of adjustment available depends on the length of the pipe it is connected to. This elbow set allows mounting of the Sterling GG heater at a 45 degree angle when venting horizontally with the concentric vent kit. Looks great and went together easily. When tightening the clamp it wouldn’t secure the end cap. These stainless steel, gas tight 4" vent systems are approved by Sterling for horizontal installation in residential and commercial applications for GG model heaters. Z-Vent is manufactured using AL29-4C advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers. Category III refers to positive vent pressure which is created by exhaust blowers in unit heaters. If I continued to tighten it it would crush the slip joint. Vent kits are available in 3, 5 or 10 Ft. lengths, and can be ordered for sidewall or roof venting. Given the potential safety hazard of carbon monoxide building up in the space, Category III vent pipe must meet the additional safety requirements of UL 1738. FREE Shipping by Amazon. Wish it came with horizontal venting instructions instead of vertical venting instructions. Heatfab is the leading manufacturer of high quality venting systems for Special Gas Vent applications, specified by OEMs for over 20 years. venting style Modine's Hot Dawg is widely recognized as the industry's most popular residentially-certified gas-fired unit heater, with six sizes available from 30,000 - 125,000 BTUs. Features. These are the most durable, longest lasting, and lowest maintenance vent systems available for these gas heaters. Our Saf-T Vent® line of products are perfect for your commercial and industrial needs. It also must be part of the unit’s agency listing report and included in the installation instructions in the unit installation manual. Compare Click to add item "Saf-T Vent® 3" Category lll Vertical/Horizontal Drain Section" to the compare list. Sterling 4" Greenhouse Vent Kit IncludesFor greenhouses and structures with walls less than 1 1/4" thick. Category III refers to positive vent pressure which is created by exhaust blowers in unit heaters. These stainless steel, gas tight 4" vent systems are approved by Sterling for horizontal installation in residential and commercial applications for GG model heaters. In short, it is a US standard for gas venting systems required in category III applications. In those cases, it would be possible for the flue pipe to be under negative pressure relative to the space pressure and would be Category I. Heatfab is the leading manufacturer of high quality venting systems for Special Gas Vent applications, specified by OEMs for over 20 years. Whether a vent system is Category I or III is determined by the flue gas pressure in the flue pipe relative to the pressure in the space. In short, it is a US standard for gas venting systems required in category III applications. It is the most common vent pipe. Category III (3) Venting - 5 Inch Stainless Steel. The first step to determine if your venting system is Category I or III is to identify if your venting system is vertical or horizontal. 4) The common venting Tables 3, 4, 7, & 8 were generated using a maximum horizontal vent connector length of 1 1/2 feet (18 inches) for each inch of connector diameter as follows: The vent connector should be routed to the vent utilizing the shortest possible route. $353.47 $ 353. Help@ACFgreenhouses.com Ships same day. If you are ordering a model HDS75, HD100, or HD125 Hot Dawg Heater you will need to use 4" vent pipe. Just what I needed. This kit is intended for horizontal venting of a power vented unit heater that requires 4" venting. (1) 4" heater adapter, (1) 4" vent terminal, (1) 4" x 24" vent pipe, (1) 4" x 35" adjustable vent pipe, (2) 4" Firestop flashings, and (1) 4" storm collar 3 Factors Affecting Vent System Design and Operation There are many variables dictating how well a vent system will operate. Buffalo Junction, VA 24529 Sku # 6374124. Since the flue gas is forced into the pipe, for almost all applications the flue pipe will be under positive pressure and require Category III vent pipe. In short, it is a US standard for gas venting systems required in category III applications. 241” dated January 27, 2011, there is no residential horizontal venting Category I and all horizontal residential venting is to be considered Category III. Buyer 11/5/2017. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. Consult with a qualified installer to select the proper kit for your application. NOTE: 2 adjustable vent pipes can't be connected together. I liked that piping was stainless and had joint seals built into it. Manufactured by Selkirk, B-Vent pipe is manufacturer specific and will not work with other brands of B-Vent pipe. 47. The price was more than fair and fit my need perfectly. Grainger's got your back. Great Value 3/24/2018. - 45 and 90 degree elbows are optional, see "Choose Options" above. However, it is not always clear what that pressure is since it is affected by the CFM of the power venter, length and diameter of the flue pipe, and pressure of the space the pipe is installed in. Home. Buy it and Save at GlobalIndustrial.com Made of … These vent systems must be constructed of AL29-4C® stainless steel, contain gaskets for sealing, and have a built in mechanical locking band among other requirements. The Z-Flex 3 in. Check the appliance installation manual to see if vertical installations can be Category I. The venting tables within this booklet have now been included in the National Fuel Gas Code (NFPA 54/ANSI Z223.1-1999). ANSI Category I, II, II, and IV appliances: Boilers, Water Heaters and Furnaces. Our Saf-T Vent® line of products are perfect for your commercial and industrial needs. 380 Greenhouse Drive When in doubt, check the unit manufactures Installation Manual to see which venting category applies to the unit. Novavent Z Flex is the perfect Venting choice for the Gas Tankless Water Heaters and Gas Boilers that require 4" CAT III / Catergory 3 Stainless Steel Venting. You’ll need to same tools as the ones required for a roof vent. Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters. That code may also be used to size venting systems for drafthood equipped central furnaces or for fan-assisted combustion system central furnaces. All pipe and fittings are UL1738 approved for category II, III and IV venting applications. Unit heaters require category III stainless steel special gas venting in order to be vented outside. All pipe and fittings are UL1738 approved for category II, III and IV venting... Adjustable vent pipes can slide in and out of a standard vent pipe giving you an adjustable length. (1) 4" heater adapter, (1) 4" vent terminal, (1) 4" 45° elbow, (2) 4" x 12" vent pipes, and (1) 4" adjustable wall thimble + 18" pipe. ADD TO CART. Drip tee are for horizontal installations only. In this paper, we will focus on Category I and III venting systems. HeatStar 4" Horizontal Stainless Steel Vent Kit F102860 Category III Venting. This is made of AL-294C stainless steel for added durability. It is an UL listed product Contact the appliance manufacturer to see if booster fans are allowed for use with their products. B-vent is not allowed since the joints do not form a gas-tight seal. In these appliances, the flue gas condenses from a gas to a corrosive liquid. This simple kit includes a variety of venting options that will be enough for most users. Stainless Steel Category 3 Adjustable Length Vent Pipe, Stainless Steel Category 3 Standard Vent Pipe, Stainless Steel Category 3 Vent 90 Degree Elbow, 240v Electric Heater with 24v Thermostat Kit, Made of AL29-4C® super-ferritic stainless steel, Built-in high temp silcone gaskets for air tight seal, Built-in locking band to insure a secure fit (no hardware needed). The unit installation manual may help clarify if the unit is only Category III or if it can also be installed in Category I applications. I checked with 3 hvac equipment suppliers and none of people there even knew what category 3 or ul1738 was. Venting a Garage Heater through a Wall The other solution to ventilating your garage when installing a gas heater is to run the vent duct through the wall of your garage. The only exception would be in a commercial application if the space is under an high positive pressure or the venting system has a booster fan at the end of the flue pipe drawing the exhaust through it. The angle is not adjustable. Category III refers to positive vent pressure which is created by exhaust blowers in unit heaters. ANSI Category I, II, II, and IV appliances: Boilers, Water Heaters and Furnaces. Double wall is considered Special Gas Vent pipe per section 12.5 of NFPA 54. It is an ideal solution for residential garages and workshops, along with light commercial or industrial applications. The stainless steel heater vent pipe is available in several different sizes and lengths. These 3' stainless steel, gas tight 3" vent systems are approved by Modine for horizontal installation in residential and commercial applications for all HD heaters. ANSI Category I, II, II, and IV appliances: Boilers, Water Heaters and Furnaces. B-vent must meet the thickness requirements of UL 441, section 6. Some people prefer this method since this option allows you to maintain the integrity of your roof. All parts for horizontal venting Can be used with MHU45 and MHU75 Meets new Cat 2012 s/s Instructions included New (5) from $353.47 + FREE Shipping. Get it as soon as Tue, Nov 17. All vent systems are for horizontal venting of all Sterling GG gas... ACF Greenhouses Vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. Good luck finding this stuff locally. If a manufacturer’s installation manual identifies that the standard combustion, vertically vented system can be Category I or III it will most like be Category I unless the space is under negative pressure. Conversely, separated combustion applications are almost always Category III regardless if they are installed vertically or horizontally. For horizontal venting only with a downward pitch. This stainless steel vent pipe fitting features a patented built-in mechanical locking band and triple-lipped directional gaskets. For Sterling models GG30, GG45, GG60, GG75, GG90, GG105, & GG120Each vent system comes complete with everything needed to vent a Sterling GG heater. Zflex Cat 3 Stainless Flue Pipe - 4 inch. Menards® offers a variety of heating and appliance venting options. This gave the clamp something to clamp against without crushing it. The vent pipe material must meet a minimum metal thickness (section 6) and corrosion resistance (section 39). Z-Vent was developed in the early 1980s and has thousands of field installations to date. Joints and seams must be gas-tight (section 33). To answer your specific question, yes, vent pipes can have horizontal runs, as long as there is no possibility of them becoming plugged with water. One particular facet of installation customers are sometimes confused about is what type of vent pipe they can use. He told me it is the same piping that has been required for all heaters like this since like 2012. Adjustable length. Time-tested installations throughout North America and globally. It includes a stainless steel category III 45 degree elbow for the exhaust and an adjustable galvanized elbow for the combustion (inlet) … To solve this problem I made a 4” diameter ring from band iron that slipped inside the pipe joint. Each kit is category III certified gas tight and simple to install (the vent pipe has a built-in locking band and gasket system requiring only a … If you do not find the exact length needed, adjustable length pipes are also available. While two units may be installed in the same space, using the exact same vent pipe diameter and length, they may still be different venting categories. H-Mac Systems carries stainless steel category III and galvanized double wall type B vent kits for gas fired unit heaters. Con-nectors with longer horizontal … Per chapter 12 of NFPA 54, the system is defined as vertical if the horizontal distance is less than 75% of the vertical distance. Single wall typically will have a lower cost than double wall vent pipe. 3" venting is for Modine models HD30, HD45, HD60, & HD754" venting is for Modine models HD100 & HD125Each vent system comes complete with everything needed to vent a Modine Hot Dawg heater.These 3' stainless steel, gas tight vent systems are approved by Modine for horizontal installation in residential and commercial applications for HD model heaters. Single Wall Stainless Venting. Time-tested installations throughout North America and globally. Glad I didn't listen to these other stores who were trying to sell me something not even appropriate for this heater. Add To List Click to add item Saf-T Vent® 3" Category lll Vertical/Horizontal Drain Section to your list. Flue-Gas Temperature I asked the salesperson if this was some special venting required only by Sterling. For horizontal applications: The flue gas is only moved by the power venter forcing the flue gas through the flue pipe. Category II and IV are for condensing gas heating appliance with a flue loss of less than 17%. The Z-Flex 3 in. Special Gas Vent Models - CG/CGV & FCS Single and Double-Wall Positive Pressure Special Gas Vent engineered for venting today’s high efficiency natural gas-burning or propane fired appliances, categories II, III and IV as defined by the Standard for Gas-Fired Central Furnaces, ANSI Z21.47 and NFPA 54. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. Add all three to Cart Add all three to List. Frequently bought together + + Total price: $405.29. Z-Vent By Z-Flex 3 Inch Round X 3 Ft. Long Horizontal Vent Kit Features: - Includes: 2SVSAHD03 Modine HD adapter, 2SVEPWCF0303 3 Ft. long pipe, 2SVSWTEF03 wide depth (5-10 inch) wall thimble, 2SVSRTF03 termination box. Shipping Ship to Store - Free! Consult the vent pipe installation manual for exact clearance requirements. I resorted to searching online for it and luckily found ACF. (1) 4" heater adapter, (1) 4" vent terminal, (1) 4" x 24" vent pipe, (2) 4" x 12" vent pipes, and (1) 4" adjustable wall thimble + 18" pipe These items are … Sterling 4" Garage / Shop Vent Kit IncludesFor structures with an exterior wall at least 4" thick. For Category I appliances, NFPA 54, Chapter 12 allows for the use of single wall, double wall, B-vent flue pipe or even a chimney. x 3 ft. Z-Vent Pipe comes with new fusion welded piper seams for a smoother finish and better fit. Our Saf-T Vent® line of products are perfect for your commercial and industrial needs. It can also be used if vertical runs are needed as well. 5" Single Wall Stainless. In fact, after parts identification, installation is the second most common type of question our technical support groups receives. Per CSA bulletin “Gas Products No. These vent systems must be constructed of AL29-4C® stainless steel, contain gaskets for sealing, and have a built in mechanical locking band among other requirements. x 4 ft. Z-Vent Pipe comes with new fusion welded piper seams for a smoother finish and better fit. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. In order to address that, we need to look at the four different venting categories. WOW!

category 3 horizontal venting

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