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Elkhart RV Parts - Premium 30 Gallon RV Fresh Water Tank
This 30 gallon RV fresh water tank (ERV120800) from Elkhart RV Parts 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 Elkhart RV Parts 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 virgin polyethylene 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
- Made in USA: Manufactured in Elkhart, Indiana - the RV Capital of the World
Technical Specifications
- Capacity: 30 Gallons
- Dimensions: 30" Length x 20" Width x 12" Height
- Part Numbers: ERV120800, 103W, 1208A, T103W30
- Weight: 65 lbs
- Material: FDA-approved virgin polyethylene
- Wall Thickness: 0.1875 to 0.20 inches
- Construction: Seamless one-piece rotational molded
- Application: RV, Camper, Trailer, Motorhome
- Country of Origin: Made in USA
Common Applications and 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
- Horse trailers and marine vessels requiring potable water storage
What Makes Elkhart RV Parts 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 design
- UV-resistant materials that prevent degradation
- NSF/ANSI Standard 61 compliance for drinking water safety
- Precise dimensional accuracy for drop-in replacement
- Higher tensile strength and impact resistance than aftermarket alternatives
- Stain, corrosion, and rust resistant construction
Installation and 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. The tank comes blank without fittings, but fittings can be added upon request.
Compare 30 Gallon RV Fresh Water Tank Options
| Model | Dimensions | Part Numbers | Best For | View Details |
|---|---|---|---|---|
| ERV120800 (This Product) | 30" x 20" x 12" | ERV120800, 103W, 1208A | Standard RV compartments, balanced capacity | Current Product |
💡 Tip: Choose your tank based on available compartment space and water capacity needs. Measure your existing tank or compartment before ordering.
Frequently Asked Questions
Where to buy 30 gallon RV water tank?
ElkhartRVParts.com offers authentic OEM grade tanks shipped directly from Elkhart, Indiana with fast nationwide shipping.
What is the best 30 gallon fresh water tank for RV?
OEM grade tanks like ERV120800 from Elkhart RV Parts provide superior quality, FDA-approved materials, and precise dimensional accuracy 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. Use our AI Live Chat for specific guidance for your RV model and installation questions.
Will this fit my RV?
Check your existing tank dimensions (30"x20"x12") and part numbers (ERV120800, 103W, 1208A, T103W30). Need help? Use our AI Live Chat for instant compatibility verification.
Does this tank come with fittings?
The tank comes blank without fittings installed. Fittings can be added upon request with a quote. Contact us via AI Live Chat for fitting options.
Is this tank safe for drinking water?
Yes, this tank is made from FDA-approved virgin polyethylene material that is safe for storing potable drinking water.
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
- Alpha 40 Gallon RV Fresh Water Tank (39x18x14) - Larger capacity option for extended trips
- Alpha 40 Gallon RV Fresh Water Tank (54x19.75x9) - Low profile alternative for tight spaces
Browse our complete collection: 30 Gallon RV Fresh Water Tanks | 40 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
- ✓ FDA-Approved Materials for Safe Drinking Water
- ✓ 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.



