20 Best Flame King 420 Lb Propane Tank [2025]

Are you looking for the best flame king 420 lb propane tank? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling flame king 420 lb propane tank.

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1 Flame King YSN301a Overflow Protection Device Valve, DOT and TC Compliant, White Flame King YSN301a Overflow Protection Device Valve, DOT and TC Compliant, White
2 Flame King YSN122 12.2 Gallon ASME Horizontal Propane Tank | 12' x 28' | For RV, Van Or Trailers Flame King YSN122 12.2 Gallon ASME Horizontal Propane Tank | 12" x 28" | For RV, Van Or Trailers
3 Flame King YSN230b 20 Pound Steel Propane Tank Cylinder with OPD Valve and Built-in Gauge, 20 lb... Flame King YSN230b 20 Pound Steel Propane Tank Cylinder with OPD Valve and Built-in Gauge, 20 lb...
4 Flame King YSN-301 30-Pound Propane Cylinder with Type 1 Overflow Protection Device Valve (2-Pack) Flame King YSN-301 30-Pound Propane Cylinder with Type 1 Overflow Protection Device Valve (2-Pack)
5 Flame King YSN201BT 20 Pound Steel Floor Buffer Propane Tank Cylinder with Vapor Valve and Level... Flame King YSN201BT 20 Pound Steel Floor Buffer Propane Tank Cylinder with Vapor Valve and Level...
6 Flame King YSN5LB 5 Pound Propane Tank Cylinder, Great For Portable Grills, Fire Pits, Heaters And... Flame King YSN5LB 5 Pound Propane Tank Cylinder, Great For Portable Grills, Fire Pits, Heaters...
7 Flame King YSNAX1-085 Propane Gun Torch 27,000 BTU, Green Flame King YSNAX1-085 Propane Gun Torch 27,000 BTU, Green
8 Flame King POL01JT002 Propane Tank Adapter POL to QCC1 Type Converts Old to New Connection, Brass Flame King POL01JT002 Propane Tank Adapter POL to QCC1 Type Converts Old to New Connection, Brass
9 Flame King YSNBKPK Backpack for 10LB or 5lb Propane Tank, Black Flame King YSNBKPK Backpack for 10LB or 5lb Propane Tank, Black
10 Flame King YSNPBS Propane Cylinder Base Stabilizer, 15' Across The Bottom, 13.5' Across The top,... Flame King YSNPBS Propane Cylinder Base Stabilizer, 15" Across The Bottom, 13.5" Across The top,...
11 Flame King YSN11SQT 11 Pound Propane Tank Cylinder Squatty with Type 1 OPD Valve, White Flame King YSN11SQT 11 Pound Propane Tank Cylinder Squatty with Type 1 OPD Valve, White
12 Flame King Heavy Duty 200,000 BTU Propane Gas Single Burner Bayou Cooker Outdoor Stove for Home... Flame King Heavy Duty 200,000 BTU Propane Gas Single Burner Bayou Cooker Outdoor Stove for Home...
13 Flame King - YSNHT500 RV Or Trailer Mounted BBQ - Motorhome Gas Grill - 214 Sq Inch Cooking Surface... Flame King - YSNHT500 RV Or Trailer Mounted BBQ - Motorhome Gas Grill - 214 Sq Inch Cooking...
14 Flame King MT301 Mr. Tank 30 LB Pound Steel Propane Cylinder with Type 1 OPD Valve, White Flame King MT301 Mr. Tank 30 LB Pound Steel Propane Cylinder with Type 1 OPD Valve, White
15 Flame King Portable Propane Gas Outdoor Heater with Piezo Electric Start for Camping, Garage, Ice... Flame King Portable Propane Gas Outdoor Heater with Piezo Electric Start for Camping, Garage, Ice...
16 Flame King YSNEZF2.0 Propane Fitting Adapter Valve for 1LB Refillable Tank Cylinders, Brass/Metal Flame King YSNEZF2.0 Propane Fitting Adapter Valve for 1LB Refillable Tank Cylinders, Brass/Metal
17 Flame King YSNPQ1000T Heavy Duty 100,000 BTU Propane Torch Weed Burner, 100K, Black Flame King YSNPQ1000T Heavy Duty 100,000 BTU Propane Torch Weed Burner, 100K, Black
18 Flame King YSNPQ820S Propane Torch Weed Burner with Integrated Push Button Igniter, Black Flame King YSNPQ820S Propane Torch Weed Burner with Integrated Push Button Igniter, Black
19 Flame King Dual RV Propane Tank Cylinder Rack for RVs and Trailers for 20lb Tanks - KT20MNT (Tanks... Flame King Dual RV Propane Tank Cylinder Rack for RVs and Trailers for 20lb Tanks - KT20MNT...
20 Flame King Propane Regulator Hose with Quick Connect for RV, Grills, Heaters, Burners - 6 Feet... Flame King Propane Regulator Hose with Quick Connect for RV, Grills, Heaters, Burners - 6 Feet...
Bestseller No. 1
Flame King YSN301a Overflow Protection Device Valve, DOT and TC Compliant, White
  • Safety first - Flame King tanks are Pre-purged vacuum ready for filling with LP gas - they are x-ray and hydrostatic tested plus Department of...
  • High quality - each tank is constructed from high grade Welded Steel and powder coated for long lasting durability.
  • Premium valve - Premium OPD (overfilling prevention device) valve assembly which is required by law in most States, if your tank doesn't have this,...
  • Leading the industry - Flame King, a leader in propane storage solutions, prides themselves on making the highest quality, premium, refillable propane...
  • Suit your needs - With a standard-size connection valve, This large 30lb tank will connect as easily as smaller tanks, and work with RVs or trailers,...
Bestseller No. 2
Flame King YSN122 12.2 Gallon ASME Horizontal Propane Tank | 12" x 28" | For RV, Van Or Trailers
  • ASME Certified
  • Fill valve, relief valve and level gauge installed
  • High grade steel welded construction, powder coated for long lasting exterior protection
  • X-ray and hydrostatic tested
Bestseller No. 3
Flame King YSN230b 20 Pound Steel Propane Tank Cylinder with OPD Valve and Built-in Gauge, 20 lb...
  • Never run out of propane with our Bulit-in gauge
  • Comes Pre-purged and ready to fill
  • High grade Steel welded construction
  • Premium OPD valve assembly; Dot approved
  • Powder coated for long lasting exterior protection
Bestseller No. 4
Flame King YSN-301 30-Pound Propane Cylinder with Type 1 Overflow Protection Device Valve (2-Pack)
  • High grade steel welded construction
  • Premium OPD valve assembly
  • X-ray and hydrostatic tested
  • Powder coated for long lasting exterior protection
Bestseller No. 5
Flame King YSN201BT 20 Pound Steel Floor Buffer Propane Tank Cylinder with Vapor Valve and Level...
  • For use on propane powered floor waxing, burnishing and polishing machine that use propane.
  • Comes with convenient installed propane level gauge, so you can always tell how much propane you have.
  • Powder coated for long lasting exterior protection
  • Newly designed all-in-one multi valve
  • Powder coated for long lasting exterior protection, high grade steel welded construction
SaleBestseller No. 6
Flame King YSN5LB 5 Pound Propane Tank Cylinder, Great For Portable Grills, Fire Pits, Heaters And...
  • Rugged, high Grade Steel welded construction
  • Premium OPD valve assembly
  • Portable size - ideal for camping, Ice fishing, BBQ
  • Easy to hold collar
  • Pre-purged cylinder - ready to be filled
Bestseller No. 7
Flame King YSNAX1-085 Propane Gun Torch 27,000 BTU, Green
  • 27,000 BTU Propane Torch
  • Ultra swirl flame provides maximum heat output for large diameter soldering, Thawing, plumbing, melting and heat applications
  • Flame control valve easily sizes flame and extinguishes when finished
  • Instant on/off trigger igniter with simple one-handed operation
  • Compatible with 1 lb camping propane cylinders, such as Flame King 1 lb Refillable cylinder (not included)
Bestseller No. 8
Flame King POL01JT002 Propane Tank Adapter POL to QCC1 Type Converts Old to New Connection, Brass
  • Converts POL LP Tank to QCC1/Type1 hoses and regulators
  • Made of 100% brass ensuring long lifetime and durability
  • Running out of fuel from a smaller propane tank won’t be an issue, simply use this POL adapter to connect to a larger fuel supply, like your 100 lb...
  • Hand Wheel easily provides for more secure and airtight connection between propane tank and propane appliance
  • Easy to hook up and ensures comfortable cooking experience
Bestseller No. 9
Flame King YSNBKPK Backpack for 10LB or 5lb Propane Tank, Black
  • Two heavily padded shoulder straps for added comfort and security
  • Steel clips for securing top of tank
  • Wide waist strap with buckle to relieve back pressure
  • Straps made of high grade cotton and frame made of steel for added durability
  • Incredibly lightweight to allow for less strained tank toting
Bestseller No. 10
Flame King YSNPBS Propane Cylinder Base Stabilizer, 15" Across The Bottom, 13.5" Across The top,...
  • Helps prevent accidental tipping of propane cylinder when cylinder is fully inserted into the base
  • For use with 20 lb, 30 lb and 40 lb propane tanks
  • Impact resistant base easily attaches to tank
  • Keeps cylinder in place during storage or travel
  • Dimensions: 15" across the bottom, 13.5" across the top.
Bestseller No. 11
Flame King YSN11SQT 11 Pound Propane Tank Cylinder Squatty with Type 1 OPD Valve, White
  • Never run out of propane; Flame King 11-Pound Steel Propane Cylinder with Type 1 Overflow Protection Device Valve and Built-in accurate gauge *...
  • Rugged, high grade steel welded construction * Rust inhibiting Durabond, powder coated for long lasting exterior protection
  • Interiors that are clean, dry and scale free * Comfortable hand-holds in the collar for easier lifting
  • Premium OPD Valve assembly * X-ray, hydrostatic tested and DOT approved
  • Tank arrives empty, pre-purged and ready to fill
Bestseller No. 12
Flame King Heavy Duty 200,000 BTU Propane Gas Single Burner Bayou Cooker Outdoor Stove for Home...
  • One 200,000 BTU burner give you the power to cook even better than usual
  • Fully adjustable heat-control dials give you more control over heat
  • Durable, rugged design built to last
  • Regulator and 3 ft. hose included for use with a BBQ propane tank (QCC1 Type-1 Valve)
  • 0-20 PSI Regulator gives you enough pressure to reach a POWERFUL BTU Output of 200,000
Bestseller No. 13
Flame King - YSNHT500 RV Or Trailer Mounted BBQ - Motorhome Gas Grill - 214 Sq Inch Cooking Surface...
  • RV/TRAILER COMPATIBLE: This BBQ and Grill station comes with a bracket to mount right onto the side of your motorhome, RV or trailer so you can have a...
  • COMPLETE GRILLING STATION: This incredibly convenient motorhome compatible gas grill w/ 12,000 BTU includes an adjustable flame controller, upper...
  • MOUNTABLE/FREE STANDING: The hanging rack can also be used as legs to make the grill free-standing, making this versatile grilling station perfect for...
  • SECURE: Designed with locking retainer pins to secure on mounted bracket. dual locking lid for secure storage.
  • COMPATIBLE HOSES: Use Flame King hose model# 100395-72 to connect to RV system and model# LPRH8 to connect to any standard Propane cylinder
Bestseller No. 14
Flame King MT301 Mr. Tank 30 LB Pound Steel Propane Cylinder with Type 1 OPD Valve, White
  • Safety first - Mr. Tank tanks are Pre-purged vacuum ready for filling with LP gas - they are x-ray and hydrostatic tested plus Department of...
  • High quality - each tank is constructed from high grade Welded Steel and powder coated for long lasting durability.
  • Premium valve - Premium OPD (overfilling prevention device) valve assembly which is required by law in most States, if your tank doesn't have this,...
  • Leading the industry - Mr. Tank, a leader in propane storage solutions, prides themselves on making the highest quality, premium, refillable propane...
  • Suit your needs - With a standard-size connection valve, This large 30lb tank will connect as easily as smaller tanks, and work with RVs or trailers,...
Bestseller No. 15
Flame King Portable Propane Gas Outdoor Heater with Piezo Electric Start for Camping, Garage, Ice...
  • FLAMELESS HEAT: The Flame King Catalytic Heater provides comfortable and flameless warmth so you can stay cozy in the cold while maintaining...
  • ADVANCED CATALYTIC TECHNOLOGY: The catalytic technology used in the this heater is the most efficient in the industrial gas heating market, the...
  • LONG LASTING: Lasts up to 7 hours on a single 1 lb propane cylinder (not included) at a 3,000 BTU output. Suitable for outdoor use only.
  • EFFICIENT: Catalytic heating is 99.98% efficient resulting in a more efficient and low-cost heat whereas flame type heaters waste up to 45% of all...
Bestseller No. 16
Flame King YSNEZF2.0 Propane Fitting Adapter Valve for 1LB Refillable Tank Cylinders, Brass/Metal
  • Save money and time while helping the environment by refilling your own propane tanks! The Propane Fitting Adapter Valve makes it easy for you to...
  • Reusable tanks save you money and help the environment. All you pay for is the propane, so you save on single use non-biodegradable tanks that wind up...
  • This refill device is easy to use. The tube is designed with a 90 degree bend to keep smaller tanks upright and increase safety when used.
  • This adapter has been designed for maximum safety. The flow of fuel is automatically cut off when the EZ lever is released. This reduces leaks and...
  • Only use the Propane Refill Adapter Valve with canisters specifically made to be reused, such as the Flame King 1 Pound E-Z Fill Refillable Propane...
Bestseller No. 17
Flame King YSNPQ1000T Heavy Duty 100,000 BTU Propane Torch Weed Burner, 100K, Black
  • 100,000 BTU propane torch * Molded handle for additional control and comfort
  • Safety lever valve for added control and protection
  • Ideal for home, garden, farm, industrial and construction use
  • Perfect for burning brush and weeds, melting snow and ice and much more
  • Hose connects to inner threading of any OPD valve such as the 5, 10, 20, 30 & 40 lb cylinders, or to any POL valve such as the 100 lb cylinder. It...
Bestseller No. 18
Flame King YSNPQ820S Propane Torch Weed Burner with Integrated Push Button Igniter, Black
  • Flame control valve to easily control flame size
  • Ideal for weed control, ice melting and other outdoor uses
  • Molded handle for easy grip and comfort
  • Integrated self-lighting ignition for quick flame
  • Arrives fully assembled
Bestseller No. 19
Flame King Dual RV Propane Tank Cylinder Rack for RVs and Trailers for 20lb Tanks - KT20MNT (Tanks...
  • Securely Holds Two 20 pounds Propane Tanks
  • Fast and Easy To Use
  • Built From A Durable Powder Coated Steel
  • Package Dimensions : 20" L x 4" W x 10" H
Bestseller No. 20
Flame King Propane Regulator Hose with Quick Connect for RV, Grills, Heaters, Burners - 6 Feet...
  • 90 Degree Low Pressure Regulator with a QCC Type 1 Tank connection and thermo-plastic hose terminating in a 1/4" Model 250 Female Quick Disconnect
  • Solid Brass Pre-installed Fittings on 6-feet Regulator Hose
  • 76" overall length
  • OUTLET PRESSURE: 11" W.C. PSIG MAX FLOW CAPACITY
  • 65,000 BTU P/HR

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