Coil spring sofa. Furniture Spring Components.

Coil spring sofa. pocket coil furniture.

Coil spring sofa 87 $ 21 . (Pack of 8) 1-9/10 Inch Overall Length 1-3/4 in Coil Body Length Furniture Mechanism Tension Springs Replacement for Recliner Sofa Bed Black [12Turn] 4. Generally this means that half of the spring's overall height (uncompressed) will be above the railing after it's Shop Birch Lane to find timeless, classic eight-way hand-tied coil springs leather sofa handpicked just for you. 99 ($2. I needed to put boards under the sofa cushions so that the back of the cushions do not sag and provides firm support for the lower back. So beware of that. 24" Inch Sofa Seat Replacement Coil with 25' Ft Spring Wire, 40 Stay Clips & 8 Upholstery Clips Repair Kit. Recliner Sofa Chair Bed Springs Replacement 4-1/2 inch Mechanism Tension Spring for Furniture (Pack of 2) 26 Turns. Utilizing our new Softech coil technology, the spring unit nestles into the cavity This sofa seat spring repair kit includes one 22-inch spring, 2 spring clips, 4 screws, and 2 edge wire clips. From the coil springs found in couches and mattresses to counterbalance springs allowing chairs to recline, springs give furniture the functionality, comfort, and performance consumers have come to expect. For 42 years, he has been an Upholsterer for countless Boston area designers and le Aug 29, 2019 · DONFON 3-1/4“ Overall Length Replacement Recliner Sofa Chair Mechanism Tension Spring [3“Inside Hook to Hook], Replaceable Recliner Sofa Spring, 2 Pack 1 offer from $999 $ 9 99 4PCS 8"-14. Oct 5, 2013 · Parcel arrived on time and in good condition. Many different factors contribute to the compression of the coil such as shape, coil diameter, wire diameter, number of turns, the size of the coil tops, etc. It seems to me that "at rest", the coil spring would not be under any tension and therefor would be more apt to last longer than a sinuous spring construction which is always in tension. Furniture manufacturers select the desired coil gauge and height to achieve the ride that they desire. 2 out of 5 stars 142 even if op could find a way to stretch the spring and place the end in the plastic notch, the spring is probably going to pop back off sometime in the future, likely sooner rather than later - cuz the plastic notch sucks. 00 Min. This replacement mattress is ok . Coil springs are the most common type of sofa spring. If it breaks, the entire seat will sag at once. The coils help distribute your weight evenly across the surface, offering a comfortable seating experience. Note that some furniture manufacturers will actually say that their sofa is "eight way hand-tied", even if using a drop in coil spring system. Coil springs provide good support and durability, and they can withstand a lot of weight. The open coil spring open memory foam mattress has a super soft deep micro-quilted cool touch top panel, the fabric is cozy on the skin cushioning the sleeper's body for a comfortable night's sleep. Sep 11, 2018 · Sinuous springs aren’t as fancy as the other options, so they can usually be found in middle-tier furniture. Nov 14, 2019 · INCREWAY Replacement Recliner Sofa Chair Mechanism Tension Spring, 4PCS Recliner Bed Springs Replacement Spring for Furniture Long Neck Hook Style, Black 2 offers from $999 $ 9 99 National Hardware N220-020 Fixed Eye Single Pulley 3", Zinc Plated. I have learned that the coil/spring cushions would be most durable and last the longest and that most cushions have a foam density of 1. Drop-in spring system is a pre-made steel framework of coils connected to one another. 99 $ 13 . When considering a sofa purchase, coil spring sofas offer several benefits that may align with your preferences and needs. Sort & Filter. Comparison to traditional springs or webbing? Coil springs, also known as pocketed springs or innerspring systems, have been widely used in furniture construction for many years. The springs are sewn into separate muslin pockets which are then hog ringed together at the top and bottom to form the Marshall Coil Unit. 99. Spring Down cushions with 2. 99 $ 20. Choose from Same Day Delivery, Drive Up or Order Pickup. Made in the USA. Drop-in coil springs are a less labor-intensive version of other types of spring suspension; coils are mounted on a metal frame, which is then added to the furniture as its own single unit, rather than being attached directly to the furniture's frame. Spring has 30 coils and a coil length of 9/16 inch More Details EXCLUSIVELY AT NEIMAN MARCUS Handcrafted sofa. Dec 6, 2024 · When comparing sinuous springs to other sofa support systems, here’s how they stack up: Sinuous Springs vs. 8 density foam will usually remain comfortable for 10+ years. Our top selling cushion is the Spring Down which offers luxurious yet firm comfort due to an inner unit of individually wrapped 14-gauge coils springs, known as a Marshall Coil Unit. 95. $0. Oct 28, 2024 · A spring sofa, also known as a coil sofa, features a seating cushion supported by coil springs within the frame. Pull out staple pins or cut the fabric to get to the springs and frames. This system, which we selected after reviewing all of the options available, features 100+ coils per seat; the same type of coil used in top of the line mattresses, usually the most The foam-filled cushions and coil spring seat construction provide a medium-firm feel, making it a great choice for everyday use. $20. Suspended coil-spring system and mortise-and-tenon construction for comfort and durability. 2. SERPENTINE SPRINGS: These zigzag across the seat or back and offer excellent levels of comfort and durability. Pre-loaded resilient than standard foam seating. 4" Upholstery Strap Coil Spring Repair Pack-10pcs for Furniture Rocking Chair Seat Couch Replacement. A pocket sprung sofa is a great choice if two users of the same sofa vary in weight as the pocket springs are free A sofa using quality pocket springs will last longer than a sofa using the traditional foam interiors. 87 Get it as soon as Thursday, Feb 13 Method to fix broken coil spring. These will contain springs wrapped in foam and other filling, like a down topper. They are made from tempered steel wire coiled into a cylindrical shape. The benefit of coil springs is that they can move up and down and Jan 22, 2025 · When choosing a mattress or sofa support system, understanding the differences between coil spring vs pocket spring can make all the difference. com/aloupholstery**PRODUCTS & TOOLS WE USE***SHOP OUR AMAZON STORE: www. pocket coil furniture. Hardwood frame. Aug 22, 2024 · Benefits of Coil Spring Sofas. Springs may be as short as 4¾ inches and as high as 14 inches. 05 per lb. 2 out of 5 stars 142 That's not to say that a drop in coil system can't be a good choice for your next sofa purchase, but be sure that you aren't paying expert 8-way-hand tied prices for a sofa that is using a drop in coil spring system. However, they can also be noisy and can lose their tension over time. Finally the 4th number represents the height of the coil spring in inches. Browse a large selection of Sofas and Sectionals in a wide range of sizes, finishes and styles. How to retie coil springs in a chair or sofa. Showing results for "coil spring sleeper sofa" 32,668 Results. This design eliminates the potential for sagging in the middle of the sofa over time, ensuring long-lasting comfort and durability. 5 density foam will keep their comfort for 15+ years. Sep 8, 2024 · A pocket spring sofa features individual coil springs wrapped in fabric pockets. Springs are what make furniture comfortable. • Reduces spring-up labor COIL-WEB SLIP SEAT Active Support System Coil-Web Slip Seat cross section Patent No. Sale +5 Options Available in 6 Options. This guide will show you the different kinds of spring systems, which one is the best and how to check which spring system your sofa has!8 Way Hand Tied Coil SpringsLabor-Intensive/Highest Quality Long Sep 11, 2018 · If eight-way hand-tied spring suspension is the equivalent of a finely prepared eight-course meal, drop-in and pocket-coil spring suspensions would both rate as microwave dinners: quick, cheap Jan 5, 2019 · The springs directly impact the comfort, durability, quality, and general integrity of the furniture—and they keep you from sinking through the sofa and onto the floor. Spring Down cushions with 1. You can have the best-looking home theater seats or the latest sofa, but if it isn’t comfortable to sit on, what does it matter? Here we answer all your questions about foam core vs. Here are some advantages to help you make an informed decision: 1. Due to this level of detail, 8-way hand-tied suspension systems are very sturdy. 222. Watch as I demonstrate the air-siphon "bazooka" for blowing kapok fiber into The Annika is a tailored sofa built for comfort. Kevin Kennedy began training with European masters as a young lad of 17. This sofa features a coil-in cushion with a comfor-gel memory foam topper for ultimate comfort and support. But lower labor costs come with some sacrifices. The breathable fabric allows the flowing of air to ventilate the mattress keeping it fresh, cool, and odor free for an excellent and relaxing night Nov 14, 2024 · Unlike spring sofas that rely on coil springs for cushioning, platform sofas use a sturdy platform or grid-like structure to distribute weight evenly. Sort by +3 Colors Available in 4 Colors. Pull the spring twine tightly around its top coil and make a clove spring knot or an overhand knot. It comes with three seats and three back cushions, all made in the USA from weather-, water-, and fade-resistant Sunbrella fabric, so it stands up to the elements. Click one of the srings below for more information. 5" thick due to the height of the springs. However, according to Fox News’ Laura Oglethorpe, if your sinuous springs are 8-gauge, they should get the job done just fine. Drop In Coil Springs (Very Good) A drop in coil spring system is basically trying to replicate the eight way hand tied system. It is then tied to each spring —both when it enters the coil, and when it exits the coil. Use jute spring twine to tie spings on sofas and chairs. sf-001 New Arrivals Furniture Accessories 9 Gauge 35 Feet Black Coil Sofa Springs Zig Zag Sofa Spring Zig Zag Spring for Sofa. ama Hickory Springs draws its own tempered spring wire in a wide range of gauges in its state-of-the-art production facility and conducts rigorous quality tests throughout its product and assembly processes to ensure that each product performs according to the company’s high standards of quality. This system is available with dropped and eyed base wires for screw attachment to front and back rails, or with straight base wires for staple attachment to mounting rails. Furniture Spring Components. They Yoogu 2-1/2 inch (Pack of 8) Overall Length Spring Furniture Replacement Extension Tension Springs Part for Recliner Sofa Trundle Bed Black [12 Turn] $13. Furniture Spring Clips; Bed Spring; Recliner Springs Replacement; Who we are Quan Yi Spring Hardware Co. Furniture Springs. Start by removing the cushions and checking underneath for visible springs. Here are some other advantages: Pressure relief: Sofa springs relieve pressure points in the body, improving blood circulation and lowering discomfort. The presence of springs allows sofa cushions to retain their shape and height, optimises comfort and prevents them from sagging. Compared to the original sofa bed mattress construction the coil springs seem inferior in quality and support. Shop Wayfair for the best coil spring sofa. Leather upholstery. Order: 500 pieces Shop Full Geneva Coil Spring Mattress Futon Navy Suede - Dual Comfort: Hardwood Frame, 3-Position Convertible Sofa Bed at Target. Shop online for Sofas and Sectionals with Coils / Springs. This outdoor 3-seat sofa replacement cushion set gives you a supported place to sit while you kick back and enjoy the nice weather. Shop AllModern for modern and contemporary coil spring sofa to match your style and budget. The most important component being the sofa’s spring system. Upholstery Springs, Coil Springs and Zig Zag Springs (aka No-sag Springs) We stock many sizes of each of these types of furniture springs. These coils are individually hand-knotted with twine, with each spring being tied in eight spots. Enjoy Free Shipping on most stuff, even big stuff. Quan Yi Spring Hardware Co. Sinuous Wire. $21. Tie all the springs in the same way. These springs work independently, offering targeted support to different areas of your body. Recommended. However, with the right tools and a bit of patience, it is a repair that can be done by most people. 0 or even greater foam density. What Are Coil Springs? Coil springs are individual springs. Luxurious and Appealing Sofa: The U shape sectional sofa appeals to minimalist elegance with a crisp design and broad double lines accented with French piping details and velvet fabric. Above all comes the question of comfort. Recliner Sofa Sectional Mechanism Tension Spring 4 3/4" Short Hook 5/8 coil. Shop Full Chicago Frame and Coil Mattress Espresso/Navy Suede - Dual Comfort: Hardwood Convertible Sofa Bed at Target. A less labor-intensive version of a spring suspension, drop-in coils are coils mounted on a metal frame added to the furniture as a single piece. For every gauge there are 3 levels of firmness: soft, regular and hard. Suspended coil-spring system; mortise-and-tenon frame construction. Quick View Select options. Zigzag springs are a more modern type of Showing results for "coil spring reclining sofa" 11,732 Results. Jul 2, 2024 · For coil springs, you will need to untie the supporting twine and remove the broken spring from its clips or fastenings. What does this type of suspension look like? Pieces of metal, spaced a few inches apart, zig-zagging perpendicular to the front of the sofa. 18. Then pull the twine taut to the opposite side of the spring and tie another knot. Also learned about the rub-count and how you want frames to be built from certain types of wood for longer lifetimes. 10 Jan 19, 2010 · The gauge of springs ranges from 8 to 11 with coil springs, and from 8 to 13 gauge for sinuous springs. 8 Way Hand Tied. 5 out of 5 stars. Sinuous springs . Seat, 20"T; arms, 27"T. Options: 3 sizes. Coil springs appear as round, vertical spirals attached to the frame. Apr 19, 2023 · When choosing a new piece of furniture there’s much to consider. This keeps the springs properly seated in place for years and years. The bouncy feel provided by these springs can enhance your sitting experience by preventing sinking or discomfort over prolonged periods. COIL SPRINGS: These have a conical shape and are placed individually in a vertical position. However, a zig zag wire is more likely to break than a coil spring. Jul 27, 2023 · Pocket Spring Sofa: A Closer Look. Its engineered hardwood frame ensures durability and longevity, while the steel spring suspension provides added stability. No-sag springs, offer a more consistent support across the seating area. The Coil Flex™ seating foundation from Leggett & Platt Home Furniture is the latest advancement in coil spring seating. Sofa springs are one of the most important factors of a sofa’s comfort and should be of the highest quality for the most comfortable, supportive and long-lasting piece. Browse a large selection of Sectional Sofas in a wide range of sizes, finishes and styles. Sofa Upholstery Coil Springs Sofa coil springs As the most traditional spring cushions structure,coil spring system always gains many customer’s recognition and appraise. Made in Oct 17, 2023 · Fixing a coil spring in a couch can be challenging, as it requires disassembling the sofa and working with small, delicate parts. Plus, the reversible cushions make it easy to keep your sofa looking fresh. Includes one leather hairhide pillow and one Tibetan lambskin pillow. Also, the springs I’m looking at on online upholstery sites never indicate whether the springs are firm, medium or soft, only that they are 9 gauge. Hello all, I was just wondering if there is a real or percieved quality difference between sofas with sinuous spring and one with coil springs. We use two types of steel springs depending on the seat; Serpentine or Coil. Shop Wayfair for the best sofas with coil spring cushions. 3 +1. 55. Upholstery Spring, Coil Seat Seat 8 inch Price: $2. Drop-In Coil Springs System. So for example, a 6 x 6 x 3 x 3. There’s a lot of metal-to-metal contact, which can lead to squeaking. Replacing coil springs is a relatively simple task that can be completed in a few hours with the right tools and I don’t have a good sense how much a network of springs will compress when someone sits down, at which point the feel would be soft versus firm, etc. Nowadays,as a leading Zigzag springs manufacturer in China,we produce more than 1500 tons sofa springs per month,which are exported over 20countries,including Germany,Spain,America,Canada,Malaysia,Thailand and so on. Drop-in coil springs #5 – 12″ Coil Spring $ 3. 9 Density High Resiliency Coil Spring Cushion Wrapped In Down/Feather • Full Frame, Springs, Cushion Warranty • Sofa, Loveseat, Chair And Ottoman Available • Available In 30 Distinct Leather Colors • Available In Chestnut Or Bombay Coffee Bean Leg Colors • Select Kiln Dried Hardwood Frames • True 8-Way Hand Tied Spring System In this first segment, I'll show you how to replace worn-out springs with ease. Typically made allows each spring to slide up and down independently of its neighbours. A pocket spring sofa is a comfort marvel, meticulously crafted to elevate your lounging experience. Shop online for Sectional Sofas. 99 Sep 16, 2012 · 13 guage springs are very soft that are used in the backrests of the furniture. FREE delivery Nov 29 - Dec 3 . Spring Jun 15, 2024 · Internal spring design: Our sofa replacement cushions have built-in spring coils and high-density foam to provide enough support while also making your sofa more beautiful. One type has the wire loose at both ends. Types of Upholstery Coil Springs. 95 $ 21. Furniture. When selecting a spring's size, keep in mind the top of the spring (after it is tied down), should be 3" to 4-1/2” above the railing (over 4-1/2" will be unsteady). Dense foam padding and a pocket coil spring system in the cushions offer a luxe seating experience to you. Feb 28, 2019 · There are many factors that determine whether a sofa is good quality; a few examples are upholstery materials and construction. Questions about 8-way hand-tied springs in sofa. Coil springs are an essential part of a sofa's suspension system, providing support and comfort. 4. Our high resiliency cushions rest on top of an eight way hand tied coil spring deck. 99 Qty in Basket: none. by kimberlydionne. Office, Dining Room. Mar 4, 2022 · A different version of spring support is eight-way, hand-tied springs, which feature springs shaped like hourglasses. 52 – $ 4. 4 out of 5 stars. Pocket springs, on the other hand, are individual, fabric-wrapped coils that provide independent support to Jul 2, 2024 · Different types of sofa springs like sinuous springs or coil systems cater to varying preferences for firmness and cushioning. This can offer some of the support of true eight-way hand tied springs while cutting down on labor costs. Flip over the sofa after removing all the cushions or padding and remove the fabric. Over time, these springs can wear out or break, leading to a sagging or uncomfortable sofa. Sep 23, 2020 · House2Home 18" Couch Spring Repair Kit to Fix Sofa- Includes 4pk of Springs, Upholstery Spring Clips, Seat Spring Stay Wire, Screws, and Installation Instructions $21. The other type has one end of the wire knotted. Jun 28, 2014 · Our super comfortable furniture is made using the Soft-Luxe pocketed coil spring system from the Elite Spring series made by industry leader Leggett & Platt. facebook. Nov 18, 2024 · Identifying your sofa’s spring type requires a simple inspection. Coil Springs, Counterbalance Springs and More for Couches, Mattresses, and Chairs. Unlike traditional sofas that use interconnected coil systems, pocket spring sofas feature individually encased springs, each nestled in its own fabric pocket. instagram. It is cheaper, easier to install. • 1. 5" in Height Bed Support Legs, Adjustable Bed Frame Support Legs for Frame Center Slats, Durable Furniture Support Legs Replacement for Couch Dresser Sinuous spring suspension tends to feel firmer than eight-way hand-tied. Pirelli Webbing v. Regular springs, also known as medium springs, are the most common type. Coil Springs Characteristics. Sort by. (Pack of 8) 1-9/10 Inch Overall Length 1-3/4 in Coil Body Lengths Furniture Mechanism Tension Springs Replacement for Recliner Sofa Bed Black (12Turn) 4. 90"W x 36"D x 32"T. Because this method is one of the best support systems available , the hand-tying process is more time-consuming, the coils spring support system is a more expensive option than other springs. Many furniture companies will call a sofa '8-way hand tied' even though it is still just using a 3rd party drop in spring system. Thoughts? Showing results for "coil spring leather sofa" 25,549 Results. Sinuous springs, also known as zigzag springs, are S-shaped, continuous wires that provide a more modern and cost-effective option. These springs provide bounce and support when you sit or lie down on the sofa. 2nd Article By Steve Cone, used by permission of Upholstery Journal Magazine. Sinuous springs are arguably the most common type of sofa suspension on the market. Boxed weight, approximately 290 lbs. This design promotes better weight distribution and reduces motion transfer, making it an excellent choice for couples or individuals who value personalized comfort. 00-$40. by Mia_ Furniture. 10,426,268 B1 Softech coil spring unit The deepest ride, most resilience, and longest life available in a thin-profile seat. While both spring systems provide support, they each offer unique benefits that cater to different preferences and needs. Upholstery coil springs come in at least two types. They consist of individual coil springs tied together in eight directions to create an even and flexible seating surface. Sinuous spring suspension tends to feel firmer than eight-way hand-tied. Primeaux 109'' Wide Premium Sectional Sofa With Jun 11, 2018 · Second, sinuous springs need less space than coil ones, so these springs could be preferred for some modern designs. For the longest lasting cushions, look for ones that have both springs and filling. This type of spring support tends to be in high-end sofas since the time-consuming construction method drives up the price. Zigzag springs have a continuous S-shaped pattern, often secured with clips or screws along the sofa’s base. While sinuous springs provide a comfortable seating experience, coil springs offer a different approach to support and durability. Let’s assume 9 springs per seat. Brand New. 99 Get it as soon as Thursday, Dec 12 Oct 31, 2019 · FOYTOKI 100pcs Snap Hook Sofa Spring Repair Sofa Repair Kit Upholstery Springs Couch Supports Sofa Springs Replacement Home Sofa Replacement Spring Home Sofa Spring Hook 1 offer from $2479 $ 24 79 AKIHISA 130pcs 6-25mm Spring Band Hose Clamp Assortment Kit with Hose Clamp Pliers, 16 Sizes Spring Hose Clip Fuel Line Silicone Vacuum Hose Pipe Aug 30, 2019 · INCREWAY Replacement Recliner Sofa Chair Mechanism Tension Spring, 2PCS Recliner Bed Springs Replacement Spring for Furniture Long Neck Hook Style 1 offer from $769 $ 7 69 Next set of slides Shop Full Geneva Coil Spring Mattress Futon Gray Suede - Dual Comfort: Hardwood Frame, 3-Position Convertible Sofa Bed at Target. Think of it - aside from a bed (which also uses spring systems), a sofa is probably one of the most-used furniture pieces, hosting many people and a lot of weight for extended Jan 26, 2025 · If you notice your couch sagging, understanding the role of sinuous springs is essential for effective spring repair, ensuring your sofa remains supportive and inviting. This system isn’t supported on the bottom, so it will start to sag before other suspension types. Sturdy Support: Coil spring sofas provide robust support throughout the seat cushions, ensuring a firm and stable sitting Apr 22, 2016 · Drop-in Coil Springs. op needs to find a new connecting point for the spring to the wood, look on amazon for these or google for these. I prefer the type with the knotted end. Webbing suspensions another traditional seat support system commonly found in furniture. com/alo_upholsteryFACEBOOK: https://www. Install the new spring, then retie the twine in a cross-pattern over the spring to provide adequate support. Shop Wayfair for the best sofa with coil springs. How To Replace Coil Springs In A Sofa. 8-Way Hand-Tied Springs - 8-Way Hand-Tied Springs: These are often considered the gold standard for sofa construction. Zigzag Springs. 180-day lowest price. Drop-in coil springs . The result is a network of spring coils, where each one is attached in 8 different places. Turned feet and stretchers. Early Black Friday Deal +2 Options Available in 3 Options. Both will give you a long-lasting very comfortable cushion since your weight is primarily on the coil springs rather than the foam. Upholsterty Spring, Coil Seat 10 inch Price: $2. Free standard shipping with $35 orders. Distribute great quality durability,and utility to sofa and seat. 5 would mean the cushion unit is 6 springs wide, 6 springs long, each spring is 3" in diameter so the unit would measure 18" x 18", and finally the unit would be 3. Plus, enjoy free shipping on orders over $35. ,Ltd was established in 2003,13 years for export experience. This makes them a perfect choice for people with back or joint Feb 27, 2019 · Drop-in and pocket coil springs. $9. She also recommends making sure they have at least two silent tie wires clipped to each spring. 15 +13. Built-in spring coil can better support you, will not easily deform, high-density foam layer can help you relieve physical fatigue. The fully upholstered inside backs stay in place and always look crisp. Mattress innerspring unit continuous coil spring or superlastic coil springs Pocket Spring coils for Mattress and Sofa Cushion $9. Fixing coil spring takes careful inspection, more time and effort. Shop Wayfair for the best coil spring cushion sectional. Seat, 76"W x 21"D x 19"T; arms, 32"T. Here is a step-by-step guide on how to fix coil springs in a couch: Fixing the Coil Sprin Apr 22, 2024 · Coil springs are traditional, hourglass-shaped springs that are often found in older or antique couches. 65-$1. 103"W x 43"D x 51"T. Jan 27, 2022 · In that case, the hand-tied coil spring system will give you a sofa or sectional that supports and lasts for decades. 8 and if you want a more comfortable seat, you should seek 2. There is a less labor-intensive version of spring suspension that consists of coils mounted on a metal frame, which is then added to the furniture as a single piece. Cushions: If you want your sofa to stay as comfortable as it is the first time you sit on it, pay attention to how the cushions are made. The backs are constructed with pocketed coils and supple foam so that they are very comfortable. 4″ Coil Spring Sofa Bed (2) Visco Mattresses (3) Muslin (1) Needles & Pins (9 Feb 6, 2023 · INSTAGRAM: https://www. jxxk ugaq owql wvc weq pkj ulwx hsyc adosrsjy wdcfo nrlh izbcoth ebfwl yhxn ztsa