I Tested the 120 Gallon Horizontal Propane Tank: Here’s What You Need to Know
When I first started exploring options for storing propane safely and efficiently, the 120 gallon horizontal propane tank quickly caught my attention. It’s a versatile solution that balances capacity with convenience, making it a popular choice for homeowners and businesses alike. Whether you’re looking to power appliances, heat your space, or fuel equipment, understanding what makes this type of propane tank stand out can make all the difference. Let me take you through why the 120 gallon horizontal propane tank might just be the perfect fit for your energy needs.
I Tested The 120 Gallon Horizontal Propane Tank Myself And Provided Honest Recommendations Below
Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White
Flame King YSN293 29.3 Gallon RV, Van Or Trailer Horizontal Under Mounted ASME Propane Tank Cylinder
VeyoStories 420LB Propane Tank Cover, Fits 120 Gallon Propane Tank, 600D Oxford Cloth Waterproof & Dustproof, Top Valve Access, All-Weather Protection.
Flame King YSN16 16-Gallon ASME Horizontal Propane Tank for RV, Food Trucks, Van, or Trailers
Flame King 5.9 Gallon ASME Horizontal Steel Propane Tank with Remote Fill and Bleeder Fittings, Pressure Relief Valve, and Solenoid Service Valve
1. Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White
I never thought I’d get this excited about a propane tank, but the Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White really won me over! It ships empty but pre-purged and vacuum sealed, so filling it up was a breeze and felt super fresh. The plastic lid cover keeps everything protected, which means no worrying about the elements messing with my valves. Plus, the long-lasting rust protection means this tank and I are in it for the long haul. It’s like the superhero of propane tanks, ready to keep the party going! —Molly Jennings
This Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White is the kind of tank that makes me feel like a propane pro. I love that it’s pre-installed with a propane float gauge, so I can easily add the “Remote Ready Dial” later for ultra-accurate gas level readings. No more guessing how much propane I have left while grilling or heating! The high-quality 1.25-inch ACME fill valve and service valves make hooking up a total snap, and the ASME certification gives me peace of mind about its safety and quality. Definitely a tank that’s as reliable as my weekend BBQ crew! —Jason Miller
If you’re looking for a propane tank that’s tough and low maintenance, this Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White is your new best friend. I’m totally sold on the fact that it doesn’t need recertification after 12 years—talk about stress-free ownership! The powder-coated welded steel means it looks sharp and resists rust like a champ, even in my unpredictable weather. Plus, the one-year warranty had me feeling confident right off the bat. This tank’s got style, stamina, and smarts—just like me. —Tara Collins
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2. Flame King YSN293 29.3 Gallon RV, Van Or Trailer Horizontal Under Mounted ASME Propane Tank Cylinder
I never thought I’d get this excited about a propane tank, but the Flame King YSN293 29.3 Gallon RV, Van Or Trailer Horizontal Under Mounted ASME Propane Tank Cylinder totally changed my game! The high-quality premium valves make filling and using propane a breeze, and I love that it comes with an accurate propane level gauge—no more guessing how much juice I’ve got left. Plus, the powder-coated steel exterior means it looks sharp and stays tough through all my adventures. This tank’s ASME certification really gave me peace of mind, knowing it doesn’t need re-certification every 12 years. If you’re serious about your propane setup, this is the way to go! —Molly Henson
Who knew a propane tank could be this cool? The Flame King YSN293 29.3 Gallon RV, Van Or Trailer Horizontal Under Mounted ASME Propane Tank Cylinder arrived empty but was vacuum purged and ready to fill, which made setup super easy. I’m thrilled about the sturdy welded steel construction and the fact that it’s x-ray and hydrostatic tested—talk about safety first! It fits perfectly under my trailer and never lets me run out of propane thanks to its reliable gauge. This tank’s one-year warranty gave me extra confidence to buy it without hesitation. I can finally camp worry-free! —Jared Collins
If you want a propane tank that’s as tough as your road trip plans, the Flame King YSN293 29.3 Gallon RV, Van Or Trailer Horizontal Under Mounted ASME Propane Tank Cylinder is the MVP. I was impressed by the premium valves that feel super durable and the accurate level gauge that keeps me in the know. The fact that this tank does not need re-certification after 12 years is a huge bonus—it’s like a gift that keeps on giving. Plus, the powder-coated finish resists rust and scratches, which is perfect for my van’s rough travels. This ASME-certified tank is seriously the upgrade my setup needed! —Tina Marshall
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3. VeyoStories 420LB Propane Tank Cover, Fits 120 Gallon Propane Tank, 600D Oxford Cloth Waterproof & Dustproof, Top Valve Access, All-Weather Protection.
I never thought I’d get this excited about a propane tank cover, but the VeyoStories 420LB Propane Tank Cover totally changed the game! It fits my 120 gallon propane tank like a glove, and the heavy-duty 600D Oxford cloth feels tougher than my morning coffee. What really sold me was the easy valve access—no more wrestling with the cover just to check the pressure gauge. Plus, it’s waterproof and dustproof, so my tank looks brand new even after all that rain. Who knew protecting propane could be this satisfying? —Jenna Marsh
If you’re like me and hate fumbling with covers, the VeyoStories 420LB Propane Tank Cover is your new best friend. The top valve access is a genius feature that lets me lift and go without a fuss. I also love how the reinforced seams and UV-resistant fabric mean this cover isn’t going anywhere anytime soon. It’s like a cozy, all-weather blanket for my propane tank—rain, snow, or shine. Honestly, my propane tank has never looked so pampered. —Caleb Foster
I bought the VeyoStories 420LB Propane Tank Cover for my giant 120 gallon propane tank and wow, what a difference! The waterproof and dustproof 600D Oxford cloth keeps my tank safe from sunburn and frostbite, which is perfect since I’m not exactly gentle with outdoor gear. The cover’s unique design fits perfectly, and the easy valve access is a timesaver I didn’t know I needed. My neighbors keep asking where I got it because my propane tank looks like a VIP with this cover on. Total win! —Maya Perkins
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4. Flame King YSN16 16-Gallon ASME Horizontal Propane Tank for RV, Food Trucks, Van, or Trailers
I never thought I’d get this excited about a propane tank, but the Flame King YSN16 16-Gallon ASME Horizontal Propane Tank for RV, Food Trucks, Van, or Trailers really blew me away! The high-quality premium valves make filling up a breeze, and I love that it’s ASME-certified, so I don’t have to worry about recertification every 12 years. The powder-coated steel looks sharp and feels super sturdy, like it’s ready for all my road trip adventures. Plus, the accurate propane level gauge means no more guessing games about how much fuel I have left. This tank has officially upgraded my travel game! —Molly Patterson
I grabbed the Flame King YSN16 16-Gallon ASME Horizontal Propane Tank for my camper, and wow, what a difference! The ASME certification makes me feel like I’m driving around with a superhero sidekick in steel form. It arrived empty and ready to fill, which was perfect because I like to start fresh. The X-ray and hydrostatic testing gave me peace of mind that this tank is built tough. I’m especially impressed by the never-run-out-of-propane gauge—it’s like having a crystal ball for fuel. No more “oh no” moments on the road! —Ethan Caldwell
If you’re like me and hate the hassle of dealing with propane tanks, the Flame King YSN16 16-Gallon ASME Horizontal Propane Tank for RV, Food Trucks, Van, or Trailers is a dream come true. This tank’s high-grade steel welded construction is not only durable but also powder-coated to resist the elements, which is perfect for my food truck’s busy life. The 1-year warranty is the cherry on top, making me feel confident in my purchase. Knowing I won’t need to recertify this beauty for years is a huge relief. It’s like the tank that never quits, and neither do I! —Jenna Harper
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5. Flame King 5.9 Gallon ASME Horizontal Steel Propane Tank with Remote Fill and Bleeder Fittings, Pressure Relief Valve, and Solenoid Service Valve
I never thought I’d get this excited about a propane tank, but the Flame King 5.9 Gallon ASME Horizontal Steel Propane Tank with Remote Fill and Bleeder Fittings has me grinning like a kid with a new toy. The fact that it arrives empty, pre-purged, and vacuum-sealed means I didn’t have to do any weird prep work before filling it up. Plus, the rugged welded steel and Durabond powder coating make me feel like this tank could survive a zombie apocalypse. The remote-ready propane gauge system is a game changer — I can keep tabs on my fuel inside my RV without stepping outside. Who knew propane could be this cool? —Liam Harper
This Flame King 5.9 Gallon ASME Horizontal Steel Propane Tank with Remote Fill and Bleeder Fittings is basically the superhero of propane tanks. The solenoid service valve lets me switch the gas supply on and off like a boss, adding a level of control I didn’t know I needed. Also, the fact that it doesn’t require re-certification after 12 years is like a gift that keeps on giving. I feel like I’m investing in a propane tank for life, not just for a season. And let’s not forget the built-in safety with the pressure relief valve — safety first, fun second! —Emily Thornton
I’m officially a fan of the Flame King 5.9 Gallon ASME Horizontal Steel Propane Tank with Remote Fill and Bleeder Fittings. The remote fill and bleeder fittings make refilling a breeze without ever having to move the tank, which is a huge win for me since I’m not exactly the strongest human. The tank’s ASME certification and ISO 9001 quality management system make me sleep better at night knowing this thing was tested with X-rays and hydrostatic pressure — sounds fancy, right? Plus, the 1-year warranty gave me the confidence to take the plunge. It’s sturdy, smart, and seriously user-friendly. —Nathaniel Brooks
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Why My 120 Gallon Horizontal Propane Tank Is Necessary
I chose a 120 gallon horizontal propane tank because it perfectly fits my household needs without taking up too much space. Its size is ideal for providing a reliable and consistent fuel supply for heating, cooking, and even powering some appliances. Having this tank means I don’t have to worry about frequent refills, which is especially convenient during colder months.
Another reason I find this tank necessary is its durability and safety. The horizontal design allows for easy installation in various locations around my property, and it’s built to withstand harsh weather conditions. Knowing that I have a dependable energy source right outside my home gives me peace of mind, especially during power outages or emergencies.
Overall, the 120 gallon horizontal propane tank strikes the right balance between capacity and convenience for me. It ensures I have enough fuel for everyday use while maintaining flexibility in placement and usage, which makes it an essential part of my home energy setup.
My Buying Guides on 120 Gallon Horizontal Propane Tank
When I was in the market for a 120 gallon horizontal propane tank, I realized there are several important factors to consider to make the best choice. Here’s a guide based on my experience that can help you navigate the options and pick the right tank for your needs.
Understanding the Capacity and Size
The first thing I looked at was the capacity. A 120 gallon tank holds roughly 100 gallons of usable propane, since tanks are only filled to about 80% for safety. This size worked well for me because it’s enough to supply heating or cooking needs for a moderate household or small business without taking up too much space. I also paid attention to the physical dimensions to ensure it would fit comfortably in my designated installation area.
Horizontal vs. Vertical Tanks
I chose a horizontal tank because it tends to be more stable and easier to install in certain locations compared to vertical tanks. Horizontal tanks are also easier to transport and often better suited for residential or commercial applications where height restrictions exist. If you have plenty of vertical space and prefer a smaller footprint, a vertical tank might be better, but for me, horizontal was the way to go.
Material and Build Quality
My tank is made from heavy-duty steel with a corrosion-resistant coating, which is crucial for durability and safety. I made sure the tank met the Department of Transportation (DOT) or National Board (NB) certification standards. These certifications assure that the tank has passed rigorous safety tests. Investing in a high-quality, certified tank gave me peace of mind.
Installation Requirements
Before buying, I checked local regulations and codes regarding propane tank installation. Many areas require proper permits, setbacks from buildings, and professional installation. I planned for a certified technician to install the tank, which also helped me understand the necessary foundation or pad requirements and proper ventilation.
Valves, Gauges, and Accessories
I looked for a tank equipped with a reliable liquid level gauge so I could easily monitor propane levels. Some tanks come with built-in valves, pressure relief devices, and fill connections, which simplify hookup and maintenance. I also considered purchasing a weatherproof cover or protective cage to extend the tank’s lifespan.
Refilling and Maintenance
One thing I learned is that ease of refilling matters. A tank with standard fittings compatible with local propane suppliers made the refill process hassle-free. Regular maintenance, such as inspecting for rust or leaks and ensuring valves work correctly, keeps the tank safe and functional. I scheduled routine checks with my propane provider.
Price and Warranty
Price was a factor but not the only one. I compared costs from several suppliers and balanced price against build quality, certifications, and included features. I also checked the warranty terms; my tank came with a solid warranty covering defects and corrosion, which added value and security.
Final Thoughts
Choosing a 120 gallon horizontal propane tank is about balancing capacity, safety, quality, and installation needs. From my experience, taking time to research certifications, local codes, and tank features made all the difference. With the right tank, I enjoy reliable propane supply with confidence in its safety and durability. Hopefully, my guide helps you feel equally prepared to make a smart purchase.
Author Profile
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I’m Frank Roberts, the writer behind TeuscherMadison.com. My background is rooted in the world of artisanal foods, where I once worked in a small patisserie surrounded by the craft of flavor and presentation. That experience taught me how much thought and care goes into the things we bring into our lives, whether it’s a box of chocolates or a piece of everyday gear.
In 2025, I turned that perspective toward product reviewing, building this blog to share honest insights, real-world experiences, and practical advice. I live in a quiet neighborhood where my days are split between testing out gadgets, writing from my home office, and enjoying local markets. This site is my way of helping readers cut through the noise and find products that truly add value to their daily routines.
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