Answering the needs of RV travelers and mobile setups, these propane tanks are designed for safety, reliability, and easy integration with RV systems. The top picks listed here are best for long trips, camp setups, and outdoor living areas where steady propane supply matters. If you’re outfitting a van, trailer, or motorhome, choose tanks with clear gauges, sturdy construction, and easy handling. The following selections prioritize durability, compatibility, and practical features for RV owners, outdoor cooks, and recreational campers alike. A quick buying table appears below to compare core specs at a glance.
Flame King 20-Pound Horizontal Tank With Gauge
Best for compact RV bedsides, fire tables, and small outdoor setups. This 20-pound horizontal cylinder emphasizes a low-profile design, ideal for tight spaces and portable use. It includes a Type 1 Overflow Protection Device valve and a built-in gauge for monitoring propane. The EZ-handle collar design reduces grip fatigue and sharp edges, helping with safe, one-handed maneuvering. Suitable for short trips or lightweight trailers where space and maneuverability matter. A potential limitation is capacity for extended multi-day use without refilling.
- Best for: compact RVs, small patios, portable campers
- Key benefit: built-in gauge for quick propane level checks
- Note: lower capacity means more frequent refills on long trips
Flame King 30lb Horizontal Tank With OPD
Best for larger RV interiors or mid-sized motorhomes needing more propane capacity without increasing tank length significantly. This 30-pound cylinder features an Overflow Protection Device valve and an accurate gauge. The EZ-handle collar remains comfortable for extended handling, and a bolt-down option provides extra stability in stationary setups. Choose this if you want a higher fuel reserve while keeping a relatively compact footprint. Caution: heavier than 20-pound models; ensure storage space and hitch clearance accommodate the extra weight.
- Better for: mid-sized RVs, outdoor kitchens, and longer campouts
- Key benefit: stronger gauge visibility and secure footing with optional bolt-down
- Limit: increased weight and footprint compared to 20-lb options
Flame King 12.2 Gallon RV Propane Tank
Best for full-featured RVs and trailers requiring a balanced combination of capacity and space. This ASME-certified 12.2-gallon horizontal tank includes premium valves and an accurate level gauge to prevent unexpected runs. It’s well-suited for campers who want reliable monitoring without frequent refills. A limitation could be the added length for very compact setups, where space is at a premium.
- Best for: standard RVs and mid-sized trailers
- Key benefit: accurate level gauge built into the system
- Note: longer profile may affect tight storage spaces
Flame King 29.3 Gallon ASME RV Tank
Best for long journeys and larger RVs that require substantial propane reserves. This 29.3-gallon horizontal tank uses ASME certification and includes a full suite of premium valves to support continuous operation. The generous capacity makes it suitable for multiple days of cooking, heating, or powering appliances. A potential drawback is the high weight and extended length, which demands adequate storage space and careful handling during installation.
- Best for: extended trips and large RVs
- Key benefit: high capacity with reliable valve configuration
- Limit: heavy and long profile; needs secure mounting
Flame King 5.9 Gallon ASME Tank With Remote Fill
Best for auxiliary propane needs and auxiliary systems, including remote fill and bleeder fittings. This smaller ASME tank arrives empty and pre-purged, ready to be filled. It includes a pressure relief valve, solenoid service valve, and durable welded steel construction with Durabond coating for rust resistance. Choose this for adding a compact propane reserve to a larger RV system or for special equipment that benefits from a dedicated, easily serviced tank. Limitation: not ideal as a sole fuel source for longer trips without frequent fills.
- Best for: auxiliary systems and space-constrained installs
- Key benefit: ready-to-fill design with multiple safety valves
- Note: not a primary long-term fuel source for high-use setups
Buying Guide
What size should you choose for your RV?
Consider how often you cook, heat, or use appliances on trips. Smaller tanks (like 12–20 pounds) are easier to handle and fit tight spaces, but require more frequent refills. Mid-range options (30 pounds, 12–16 gallons) balance capacity with space. Large tanks (29–30 gallons) deliver extended run times but demand more storage and a stable mounting plan.
What features matter most?
Key features to prioritize include a clear propane level gauge, an Overflow Protection Device (OPD) valve, and durable, rust-resistant construction. An EZ-handle collar helps with safe handling, while options for bolt-down mounting improve stability in stationary setups. For RVs with multiple appliances, ensure the tank’s valve arrangement supports your system’s needs and any compatibility requirements.
How important is ease of installation and handling?
Horizontal tanks are common in RVs due to length constraints. Look for models with built-in brackets or stable feet, and consider whether you’ll bolt the tank down or rely on a mounting cradle. Heavier models require careful lifting and secure mounting to avoid movement while traveling.
What about safety and compliance?
Choose ASME-certified tanks for higher quality assurance and standardized safety tests. Ensure valves, relief mechanisms, and fill valves meet applicable safety codes. Regular inspections by a qualified technician help maintain safe operation over time.
Best all-around pick for mixed use
For RV owners seeking versatility, the 12.2–16 gallon range provides a balanced mix of capacity, space, and handling. Tanks in this range typically cover daily RV needs without demanding expansive storage or heavy lifting.
What should you avoid?
Avoid oversized tanks if your storage space is limited or if mounting provisions are insufficient for the extra length and weight. Also, avoid tanks lacking a clear level gauge or reliable safety valves, as that can complicate fuel management and safety checks.
FAQ
- Q: Do these tanks require professional installation? A: Some installations may require professional mounting, especially for bolt-down setups or high-pressure systems. Refer to the manufacturer’s mounting instructions and local codes.
- Q: How often should I refill an RV propane tank? A: Refill frequency depends on usage. Tanks with gauges help monitor levels; plan refills around your cooking, heating, and power needs.
- Q: Are all Flame King tanks interchangeable with RV systems? A: Most are designed for standard RV configurations, but verify valve types, fittings, and mounting compatibility with your specific setup.
- Q: What is OPD and why is it important? A: OPD stands for Overflow Protection Device. It helps prevent overfilling and ensures safer gas delivery and containment.
- Q: Can I mount a horizontal tank in a small trailer? A: Yes, but ensure there is adequate space, proper mounting points, and clearance for hoses and valves. A long, low-profile tank may fit better than a tall cylinder.
- Q: Are there any maintenance tips for propane tanks? A: Regularly check for leaks with approved soapy-water tests, inspect valves, and ensure gauge accuracy. Have the system inspected by a professional if you notice any irregularities.
Product Summary Table
| Product | Tank Size | Best For | Notable Feature |
|---|---|---|---|
| Flame King 20-Pound Horizontal | 20 lb | Compact RVs and small outdoor setups | OPD valve, built-in gauge, EZ-handle |
| Flame King 30lb Horizontal | 30 lb | Mid-sized RVs and extended outings | OPD valve, stable feet, bolt-down option |
| Flame King 12.2 Gallon RV Tank | 12.2 gal | Standard RVs and trailers | ASME-certified, integrated gauge |
| Flame King 29.3 Gallon Tank | 29.3 gal | Large RVs and long trips | ASME-certified, premium valves |
| Flame King 5.9 Gallon Tank | 5.9 gal | Auxiliary systems | Remote fill, bleeder fittings, durable finish |