category 3 horizontal venting

Heatfab is the leading manufacturer of high quality venting systems for Special Gas Vent applications, specified by OEMs for over 20 years. ANSI Category I, II, II, and IV appliances: Boilers, Water Heaters and Furnaces. Category I horizontal venting is only possible in commercial applications. Drip tee are for horizontal installations only. 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. Looks great and went together easily. The Z-Flex 3 in. Add To List Click to add item Saf-T Vent® 3" Category lll Vertical/Horizontal Drain Section to your list. To solve this problem I made a 4” diameter ring from band iron that slipped inside the pipe joint. Conversely, separated combustion applications are almost always Category III regardless if they are installed vertically or horizontally. Sterling 4" Greenhouse Vent Kit IncludesFor greenhouses and structures with walls less than 1 1/4" thick. Grainger's got your back. In order to meet the second requirement, the vent pipe must be single or double wall vent pipe. Buyer 11/5/2017. Con-nectors with longer horizontal … Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. $353.47 $ 353. This is made of AL-294C stainless steel for added durability. HeatStar 4" Horizontal Stainless Steel Vent Kit F102860 Category III Venting. 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. In fact, after parts identification, installation is the second most common type of question our technical support groups receives. B-vent must meet the thickness requirements of UL 441, section 6. Made of … This simple kit includes a variety of venting options that will be enough for most users. (3in X 4in adapter for use with 45K and 50K models only.) However, the most common material sold in heating supply houses is stainless steel vent pipe. Consult with a qualified installer to select the proper kit for your application. 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. He told me it is the same piping that has been required for all heaters like this since like 2012. Vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. Heatfab is the leading manufacturer of high quality venting systems for Special Gas Vent applications, specified by OEMs for over 20 years. I asked the salesperson if this was some special venting required only by Sterling. Per CSA bulletin “Gas Products No. If I continued to tighten it it would crush the slip joint. Menards® offers a variety of heating and appliance venting options. In short, it is a US standard for gas venting systems required in category III applications. These are the most durable, longest lasting, and lowest maintenance vent systems available for these gas heaters. Great Value 3/24/2018. For Sterling models GG30, GG45, GG60, GG75, GG90, GG105, & GG120Each vent system comes complete with everything needed to vent a Sterling GG heater. One problem I had was the end cap joint. Time-tested installations throughout North America and globally. I liked that piping was stainless and had joint seals built into it. 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. 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. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. For horizontal venting only with a downward pitch. The Z-Flex 3 in. It is an ideal solution for residential garages and workshops, along with light commercial or industrial applications. Contact the appliance manufacturer to see if booster fans are allowed for use with their products. 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). x 4 ft. Z-Vent Pipe comes with new fusion welded piper seams for a smoother finish and better fit. You’ll need to same tools as the ones required for a roof vent. Double wall vent pipe, while more expensive, has a lower surface temperature which will reduce the clearance to combustible requirements. The angle is not adjustable. 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. It is the most common vent pipe. These stainless steel, gas tight 4" vent systems are approved by Sterling for horizontal installation in residential and commercial applications for GG model heaters. Frequently bought together + + Total price: $405.29. Adjustable length. UL1738 approved for category II, III and IV appliances. For Sterling models GG30, GG45, GG60, GG75, GG90, GG105, & GG120Each vent system comes complete with everything needed to vent a Sterling GG heater. 47. 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. B-vent is not allowed since the joints do not form a gas-tight seal. The piping was easily installed with one section being adjustable for length. 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. One particular facet of installation customers are sometimes confused about is what type of vent pipe they can use. 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 It can also be used if vertical runs are needed as well. Compare Click to add item "Saf-T Vent® 3" Category lll Vertical/Horizontal Drain Section" to the compare list. x 3 ft. Z-Vent Pipe comes with new fusion welded piper seams for a smoother finish and better fit. Zflex Cat 3 Stainless Flue Pipe - 4 inch. 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". Get it as soon as Tue, Nov 17. 3 Factors Affecting Vent System Design and Operation There are many variables dictating how well a vent system will operate. It is an UL listed product When tightening the clamp it wouldn’t secure the end cap. 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 … 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. Ships same day. What is UL 1738? - 45 and 90 degree elbows are optional, see "Choose Options" above. 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. 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. 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. - Certified for residential, commercial and industrial use. The vent pipe material must meet a minimum metal thickness (section 6) and corrosion resistance (section 39). 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. If you are ordering a model HDS75, HD100, or HD125 Hot Dawg Heater you will need to use 4" vent pipe. Time-tested installations throughout North America and globally. Wish it came with horizontal venting instructions instead of vertical venting instructions. The amount of adjustment available depends on the length of the pipe it is connected to. These are the most durable, longest lasting, and lowest maintenance vent systems available for these gas heaters. Buffalo Junction, VA 24529 All pipe and fittings are UL1738 approved for category II, III and IV venting applications. Features. 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. 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. I checked with 3 hvac equipment suppliers and none of people there even knew what category 3 or ul1738 was. In short, it is a US standard for gas venting systems required in category III applications. 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. Category III (3) Venting - 5 Inch Stainless Steel. 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. In these appliances, the flue gas condenses from a gas to a corrosive liquid. In short, it is a US standard for gas venting systems required in category III applications. Consult the vent pipe installation manual for exact clearance requirements. If you do not find the exact length needed, adjustable length pipes are also available. The venting tables within this booklet have now been included in the National Fuel Gas Code (NFPA 54/ANSI Z223.1-1999). It includes a stainless steel category III 45 degree elbow for the exhaust and an adjustable galvanized elbow for the combustion (inlet) … These stainless steel, gas tight 4" vent systems are approved by Sterling for horizontal installation in residential and commercial applications for GG model heaters. For horizontal applications: The flue gas is only moved by the power venter forcing the flue gas through the flue pipe. Sterling 4" Garage / Shop Vent Kit IncludesFor structures with an exterior wall at least 4" thick. Note: most double wall vent pipe is also certified to Category II, III and IV per UL 1738. ANSI Category I, II, II, and IV appliances: Boilers, Water Heaters and Furnaces. ANSI Category I, II, II, and IV appliances: Boilers, Water Heaters and Furnaces. Mr. Heater 3 Inch Vertical Vent Kit for Big Maxx MHU50LP and MHU50NG Unit Heaters. All vent systems are for horizontal venting of all Sterling GG gas heaters. "'-, GAMA VENTING TABLES FOR CATEGORY I CENTRAL FURNACES 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. NOTE: 2 adjustable vent pipes can't be connected together. (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 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. (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 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. ADD TO CART. All pipe and fittings are UL1738 approved for category II, III and IV... Sterling GG Category 3 Horizontal Vent Kits. 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. 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. This is made of AL-294C stainless steel for added durability. Joints and seams must be gas-tight (section 33). There was to much 4 inch piping shipped to do the job. Flue-Gas Temperature This gave the clamp something to clamp against without crushing it. Make sure your home is properly ventilated with venting from Menards®. furnace pipe 2/11/2018. Category II and IV are for condensing gas heating appliance with a flue loss of less than 17%. Our Saf-T Vent® line of products are perfect for your commercial and industrial needs. This elbow set allows mounting of the Sterling GG heater at a 45 degree angle when venting horizontally with the concentric vent kit. 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. Home. Category III refers to positive vent pressure which is created by exhaust blowers in unit heaters. Just what I needed. Heatfab is the leading manufacturer of high quality venting systems for Special Gas Vent applications, specified by OEMs for over 20 years. 380 Greenhouse Drive 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. Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters. 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 … Single Wall Stainless Venting. Adjustable length. 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. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. Single wall and double vent pipe are designed to lock together and usually include an internal seal to help seal the joint. 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. 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. Help@ACFgreenhouses.com H-Mac Systems carries stainless steel category III and galvanized double wall type B vent kits for gas fired unit heaters. I would recommend this product! Sku # 6374124. It also must be part of the unit’s agency listing report and included in the installation instructions in the unit installation manual. Some people prefer this method since this option allows you to maintain the integrity of your roof. Category III refers to positive vent pressure which is created by exhaust blowers in unit heaters. Unit heaters require category III stainless steel special gas venting in order to be vented outside. When in doubt, check the unit manufactures Installation Manual to see which venting category applies to the unit. Double wall is considered Special Gas Vent pipe per section 12.5 of NFPA 54. The 90 degree elbow allows installation of a gas heater at a 90 degree angle inside the structure. 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. WOW! Check the appliance installation manual to see if vertical installations can be Category I. In this paper, we will focus on Category I and III venting systems. 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. 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. These appliances have their own special venting requirements that we will deal with in a separate paper. Z-Vent is manufactured using AL29-4C advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers. Manufactured by Selkirk, B-Vent pipe is manufacturer specific and will not work with other brands of B-Vent pipe. It is an UL listed product Vent kits are available in 3, 5 or 10 Ft. lengths, and can be ordered for sidewall or roof venting.

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