Flame King 420lb 120 gallon DOT Empty Propane Tank Cylinder with Float Gauge & Lid

Powerful Propane Storage for Your Home or Business

Keep your home or business running smoothly with the Flame King 420LB (120 Gallon) DOT Vertical Steel Propane Tank - designed to deliver reliable fuel for space heating, water heating, cooking, generators, backup power, and more.

Accurate Fuel Monitoring Made Easy

This tank comes pre-installed with a remote-ready propane gauge so you can always track your fuel level accurately and conveniently.

Built for Safety and Durability

Arriving EMPTY, pre-purged, vacuum sealed, and ready for filling, this tank features a protective plastic lid cover to guard your valves and gauge. Crafted with a powder-coated base for superior rust resistance, it's built to withstand the demands of daily use indoors or outdoors.

Premium Valves for Reliable Performance

Equipped with high-quality 3/4-inch ACME fill valve, service valve, and relief valve, you can trust safe and efficient propane delivery whenever you need it.

DOT & Transport Canada Certified

Manufactured to meet strict Department of Transportation (DOT) and Transport Canada (TC) specifications, these tanks are produced in ISO 9002-certified facilities for guaranteed quality and compliance.

Specifications:

• Weight: 300 lb
• Capacity: 120 gallons
• Dimensions: 30 x 30 x 54 inches

Quality and Service

At Flame King, we manufacture propane tanks and cylinders trusted worldwide for their exceptional quality and reliability. Our commitment to excellence goes beyond the products - we're dedicated to providing outstanding service to every customer. Each tank we produce exceeds industry standards and is crafted in award-winning facilities recognized for their focus on safety and quality. With Flame King, you can count on superior performance and complete peace of mind.

Certifications You Can Count On

At Flame King, we don't just build propane cylinders - we craft trusted companions designed to keep your adventures and daily needs fueled safely and reliably. Whether it's a compact 1 lb. tank for your next camping trip or a heavy-duty 420 lb. cylinder for commercial use, each product is made with care and precision.

Our portable propane cylinders meet strict Department of Transportation (DOT) and Transport Canada (TC) standards, so you can feel confident wherever you go. And for our ASME-certified tanks, they're crafted in facilities certified to ISO 9002 quality standards - because we believe safety and reliability should never be compromised.

With Flame King, you're not just buying a tank; you're investing in peace of mind that lasts.

Durable

Propane equipment faces tough conditions - so we build our tanks from rugged, premium materials designed to stand up to the challenge and deliver lasting performance you can trust.

Safe

At Flame King, safety isn't just a feature - it's our promise. Every tank is rigorously tested in real-world conditions to ensure reliable, dependable performance when it matters most.

Smart Design, Powerful Performance

At Flame King, we fuse cutting-edge technology with durable engineering to deliver propane solutions that are as intuitive as they are reliable - making every experience simpler, safer, and smarter.

Committed to a Greener Future

At Flame King, protecting the planet is at the heart of everything we do. That's why we pioneered the first refillable 1 lb propane tank- helping you reduce waste and embrace a more sustainable way to power your outdoor adventures.
  
About Us

At Flame King, we believe in the power of propane to fuel life's essential moments - from backyard cookouts to off-grid adventures. For over 20 years, we've been at the heart of it all, designing propane tanks and accessories that people rely on, day in and day out.
 
Built on a foundation of innovation and integrity, our products are engineered for performance, safety, and longevity. From our durable steel cylinders to our advanced heating and cooking solutions, every Flame King product is crafted to help you heat, power, and cook - wherever life takes you.
 
We've grown from a trusted manufacturer into a brand that supports sustainability, smarter energy use, and better outdoor living. Whether you're camping under the stars or firing up the grill in your own backyard, Flame King is there to keep the flame alive.