5 Gallon RV Fresh Water Holding Tank – LLDPE Airtight Seal
5 Gallon RV Fresh Water Holding Tank – LLDPE Airtight Seal
RV Fresh Water Holding Tank – 5 Gallon Large Capacity
Keep fresh water flowing on every adventure with this durable 5-Gallon RV Fresh Water Holding Tank. Engineered from food-grade LLDPE (Linear Low-Density Polyethylene), it delivers outstanding impact resistance, long-term durability, and a leak-free seal — making it the ideal water storage solution for RVs, trailers, campers, boats, yachts, and even home use.
Key Features
- 5-Gallon Capacity: Generous storage volume keeps you well-supplied on extended trips away from hook-ups.
- Food-Grade LLDPE Construction: Safe, sturdy, and resistant to cracking, UV exposure, and everyday wear.
- Perfect Airtight Seal: The wide 100mm (approx. 4 in) diameter inlet cap threads on securely to prevent spills and contamination.
- Large Fill Opening: The 100mm wide-mouth inlet makes filling, cleaning, and adding ice effortless.
- Compact & Mountable Design: Measures approximately 400 × 250 × 200 mm (15.75 × 9.84 × 7.87 in) — designed to fit snugly into tight compartments and storage bays.
- Versatile Application: Perfect for RVs, travel trailers, campers, boats, yachts, and household water storage needs.
- Lightweight Yet Tough: Weighs approximately 2.27 kg (5 lbs) empty, so it's easy to handle and position.
Specifications
| Capacity | 5 US Gallons (~19 L) |
| Material | Food-Grade LLDPE |
| Dimensions | ~400 × 250 × 200 mm / 15.75 × 9.84 × 7.87 in |
| Inlet Diameter | 100 mm (~4 in) |
| Item Weight | ~2.27 kg / 5 lbs (empty) |
| Compatible With | RV, Trailer, Camper, Boat, Yacht, Household |
Who Is This For?
Whether you're a weekend warrior hitting the open road in your camper, a boating enthusiast heading out on the water, or simply need a reliable backup water container at home, this tank is built for you. Its sealed design keeps water clean and fresh wherever your journey takes you.
For more information on safe water storage practices for recreational vehicles and outdoor use, visit the CDC Healthy Water – Drinking Water resource.
Learn more: Blue Mesa Reservoir
Frequently Asked Questions
Q: What is the RV Fresh Water Holding Tank made of, and is it safe for drinking water?
A: This RV water holding tank is constructed from food-grade LLDPE (Linear Low-Density Polyethylene), a material widely used for potable water storage. It is BPA-conscious, impact-resistant, and designed to keep your drinking water safe and uncontaminated during storage.
Q: What are the dimensions and capacity of this water tank?
A: The tank holds 5 US gallons (approximately 19 liters) and measures roughly 400 × 250 × 200 mm (15.75 × 9.84 × 7.87 inches), making it compact enough to fit in RV bays, boat compartments, and trailer storage areas.
Q: Can this tank be used on a boat or yacht as well as an RV?
A: Absolutely. This fresh water holding tank is versatile enough for use in RVs, travel trailers, campers, boats, yachts, and even as a household water storage container. The airtight, wide-mouth cap ensures water stays clean and secure in any environment.
Q: How does the sealing mechanism work?
A: The tank features a 100mm large-diameter threaded inlet cap that creates a reliable airtight seal when tightened, preventing leaks and keeping contaminants out — even in bumpy or rough travel conditions.