RVs demand reliable, durable water storage to keep drinking, cooking, cleaning, and hygiene hassle-free on the road. The following selections cover common capacities, installation options, and materials designed for portable use in campers, trailers, and motorhomes. This guide highlights five well-regarded units and a buying checklist to help you pick the right tank for your setup.
| Product | Capacity | Material | Use |
|---|---|---|---|
| Ameri-Kart WT-5450 | 19 gal | BPA-Free Plastic | Potable water |
| Ameri-Kart WT-5546 | 20 gal | BPA-Free Plastic | Potable water |
| Chapin 98142 | 40 gal | Poly | Utility water |
| YITAHOME 19.8 gal | ~75 L | Poly | Portable water |
| Ameri-Kart WT-5549 | 36 gal | BPA-Free Plastic | Potable water |
Ameri-Kart 19 Gallon RV Fresh Water Tank WT-5450
This 19-gallon potable water tank is built in the USA from BPA-free materials, designed for drinking, cooking, showering, and dishwashing in RVs, trailers, and motorhomes. The cube-shaped tank offers flexible installation with multiple fitting options, including two 1.5″ balloon-style threaded NPT fittings and two 0.5″ fittings. Made to withstand weather and impact, it is intended to stay sanitary and leak-free, meeting IAPMO standards for reliable water storage.
- 19 gallon capacity for standard RV needs
- BPA-free, USA-made plastics
- Two 1.5″ NPT and two 0.5″ NPT fittings
- Weather- and impact-resistant construction
- Sanitary, leak-proof design; IAPMO compliant
Ameri-Kart 20 Gallon RV Fresh Water Tank WT-5546
The 20-gallon tank provides potable water storage for drinking, cooking, showering, and dishwashing in RVs, motor homes, trailers, and tiny houses. It features flexible fitting options and built-in 1.5″ and 0.5″ NPT connections. Constructed from weather- and impact-resistant plastics, this tank is designed to stay sanitary and leak-free, with IAPMO standards compliance for safety and reliability.
- 20 gallon capacity for extended trips
- USA-made BPA-free plastics
- Multiple installation fitting positions
- Rugged, durable design for mobile use
- IAPMO standard compliant
Chapin 98142: 40-Gallon Water Storage Tank
The Chapin 40-gallon storage tank supports utility water needs for farms, trailers, or large RV setups. It is translucent, letting you monitor liquid levels, and includes a wide 6-inch cap with a 2-inch drain. The tank ships with nitrile seals and a molded 3/4-inch port compatible with standard garden hoses for quick draining. It is designed for USA production with US-based support, backed by Chapin’s warranty.
- 40-gallon capacity for large-volume storage
- Translucent for easy level checking
- Wide cap and standard drain port
- Nitrile seals and garden hose compatibility
- USA design with 1-year warranty
YITAHOME 19.8 Gallon Portable Water Tank
This portable 19.8-gallon tank emphasizes portability for RV owners who want easier transfers. It includes built-in handles and large universal wheels for easier movement, plus a filling port and rotating spout for quick filling and draining. The tank supports RV or trailer use and includes a level indicator to help prevent overfilling and simplify emptying. The design focuses on convenience during travel and storage.
- Approximately 75 liters capacity
- Built-in handle and wheels for easy transport
- Multiple filling and drainage outlets
- Liquid level indicator to prevent overflow
- Optimized for RV/trailer use
Ameri-Kart 36 Gallon RV Fresh Water Tank WT-5549
The 36-gallon unit is designed for potable water needs in RVs, motor homes, campers, trailers, and tiny houses. It uses BPA-free plastics and offers multiple installation fitting options, including dual 1.5″ NPT and two 0.5″ NPT fittings. The tank is built for durability with weather and impact resistance, maintaining sanitary, leak-free water storage and meeting IAPMO standards for safety.
- 36 gallon capacity for substantial use
- BPA-free USA-made materials
- Flexible installation fittings
- Durable, weather- and impact-resistant
- IAPMO compliant for safety
Buying Guide: Key Purchase Considerations And Comparisons
When selecting an RV water tank, consider capacity, material safety, installation flexibility, weight, and maintenance. Capacity should align with trip length and occupancy; larger tanks reduce fill frequency but add weight and space demands. BPA-free plastics are preferred for potable water to minimize chemical leaching, while weather- and impact-resistant designs improve durability in travel conditions. Look for tanks with multiple fitting options to fit your existing plumbing, and ensure compatibility with standard NPT fittings for easier DIY installations.
- Capacity: Choose based on travel duration, number of occupants, and water usage (drinking, cooking, cleaning, showering).
- Material and safety: Prioritize BPA-free plastics and materials meeting or exceeding industry standards (IAPMO, etc.).
- Fittings and installation: Check the number and size of fittings and whether they support your mounting orientation and space constraints.
- Portability vs. capacity: Portable tanks (like the YITAHOME model) offer mobility but may require more frequent refilling; larger, fixed tanks reduce fill stops but add weight.
- Maintenance: Consider tanks with clear visibility (translucent) or built-in level indicators to prevent overfilling and ensure timely drainage when needed.
- Support and warranty: US-based support or manufacturer warranties can be helpful for RV systems that see road use and storage.
By weighing these factors against your travel style—full-time RV living, weekend trips, or seasonal camping—you can select a tank that optimizes reliability, hygiene, and ease of use across varied environments.