30 Gallon RV Fresh Water Tank 30x20x12 - OEM Grade Potable Water Storage ERV120800


Sale price$195.00 Regular price$309.52
FREE Delivery Estimate January 17 – January 6
⚠️ Delivery times extended due to RV industry holiday shutdown.
Upgrade Your RV Adventures with a Leak-Proof 30-Gallon Fresh Water Tank!
Specifications drawing for 30 Gallon RV Fresh Water Tank 30x20x12 - OEM Grade Potable Water Storage ERV120800
This 30-gallon RV water tank is made from durable virgin polyethylene with FDA-approved, seamless construction for safe, leak-proof storage of fresh or gray water. Measuring 30" x 20" x 12", it offers high impact resistance and corrosion protection, making it an ideal upgrade or replacement for RVs, horse trailers, and marine vessels. Fittings are not included but available upon request.
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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.

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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!

100% Authentic OEM Parts

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.

Reviews, Q&A, and Install Guides

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