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Premium 30 Gallon RV Fresh Water Tank - OEM Grade Quality
This 30 gallon RV fresh water tank (ERV120800) delivers reliable potable water storage for your recreational vehicle. Manufactured to OEM specifications with dimensions of 30" x 20" x 12", this tank provides the perfect balance of capacity and compact design for RVs, campers, and trailers.
Why Choose This 30 Gallon Fresh Water Tank?
- OEM Grade Construction: Built to original equipment manufacturer standards for superior durability and longevity
- Food-Safe Materials: Made from FDA-approved materials safe for potable drinking water storage
- Perfect Capacity: 30 gallons provides ample water supply for weekend trips and extended camping
- Compact Dimensions: 30" x 20" x 12" fits standard RV compartments without modifications
- Multiple Part Numbers: Cross-references as 103W, 1208A, ERV120800 for easy identification
Technical Specifications
- Capacity: 30 Gallons
- Dimensions: 30" Length x 20" Width x 12" Height
- Part Numbers: ERV120800, 103W, 1208A
- Weight: 65 lbs
- Material: Food-grade polyethylene
- Application: RV, Camper, Trailer, Motorhome
- Country of Origin: Made in USA
Common Applications & Compatibility
This 30 gallon fresh water tank is ideal for:
- Class A, B, and C motorhomes requiring fresh water storage
- Travel trailers and fifth wheels with standard tank compartments
- Camper van conversions and custom RV builds
- Replacement for worn or damaged OEM water tanks
- Off-grid camping and boondocking setups
What Makes Our RV Water Tanks Different?
At ElkhartRVParts.com, we source directly from manufacturers in Elkhart, Indiana - the RV Capital of the World. Every tank meets strict quality standards for:
- Leak-proof construction with reinforced fittings
- UV-resistant materials that prevent degradation
- NSF/ANSI Standard 61 compliance for drinking water safety
- Precise dimensional accuracy for drop-in replacement
Installation & Maintenance Tips
Installing your new 30 gallon fresh water tank is straightforward with basic RV knowledge. Ensure proper support and secure mounting to prevent movement during travel. Regular sanitization with RV-safe cleaners maintains water quality and extends tank life.
Frequently Asked Questions
Where to buy 30 gallon RV water tank? ElkhartRVParts.com offers authentic OEM grade tanks shipped directly from Elkhart, Indiana.
What is the best 30 gallon fresh water tank for RV? OEM grade tanks like ERV120800 provide superior quality compared to aftermarket alternatives.
How to replace RV fresh water tank? Most tanks are accessible through exterior compartments and can be replaced with basic tools. Our AI Live Chat can provide specific guidance for your RV model.
Will this fit my RV? Check your existing tank dimensions (30"x20"x12") and part numbers (ERV120800, 103W, 1208A). Need help? Use our AI Live Chat for instant compatibility verification.
Related Products You May Need
Complete your RV water system with these complementary products:
- Universal Fresh Water Tank Fittings Kit w/ Water Level Sensors - Essential sensors and fittings for your tank installation
- 10 Gallon RV Fresh Water Tank - Smaller capacity option for compact RVs
- 16 Gallon RV Fresh Water Tank - Mid-size alternative for space-constrained installations
Browse our complete collection: 30 Gallon RV Fresh Water Tanks
Why Buy From ElkhartRVParts.com?
- ✓ Direct from Elkhart, Indiana - RV Capital of the World
- ✓ 100% Authentic OEM Grade Parts
- ✓ Expert Support via AI Live Chat for product questions
- ✓ Fast Shipping Nationwide
- ✓ Trusted by RV owners and repair shops
Need Help? Our AI Live Chat is available 24/7 to answer questions about compatibility, installation, or finding the right parts for your RV. Get instant expert assistance without waiting!
Order Your 30 Gallon RV Fresh Water Tank Today - Ships Fast from Elkhart!
| Material | Virgin polyethylene |
|---|---|
| Construction | Seamless one-piece |
| Width (inches) | 20 |
| Height (inches) | 12 |
| Length (inches) | 30 |
| Capacity (gallons) | 30 |
| Wall thickness (inches) | 0.1875 |
- What material is the 30 gallon rv water tank made of? The tank is made of virgin (natural) polyethylene, which is durable, impact-resistant, and puncture-resistant.
- Is this water tank suitable for storing potable water? Yes, it is made from FDA-approved material and is designed for storing fresh potable water safely.
- What are the dimensions of this 30 gallon rv water tank? The tank measures 30 inches in length, 20 inches in width, and 12 inches in height.
- Does the tank come with fittings installed? No, the tank comes blank without fittings, but fittings can be added upon request with a quote.
- Can this tank be used for gray water as well as fresh water? Yes, although it is designed for fresh potable water, it can also be used for gray water storage.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.



