78 Gallon RV Water Tank 43" x 29" x 15" EPI 4537

Added to catalog: March 17, 2020

Sale price$383.28 Regular price$522.22
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Heavy-Duty 78 Gallon Fresh Water Tank for RVs, Trailers, and Boats
Specifications drawing for 78 Gallon RV Water Tank 43
This 78-gallon RV water tank features a seamless, one-piece rotationally molded design made from FDA-approved polyethylene for durability and leak-proof reliability. Measuring 43" x 29" x 15", it resists stains, corrosion, and rust, ensuring fresh water storage for your RV, horse trailer, or marine vessel.
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✓ 100% Verified Authentic OEM Grade Part

Upgrade your RV's water storage with the robust 78 Gallon RV Water Tank from Elkhart Plastics, designed for reliable and efficient water management during your traveling adventures. This premium EPI 4537 model offers exceptional capacity and durability for recreational vehicle enthusiasts who demand high-quality water storage solutions.

Features and Specifications

  • Large 78-gallon capacity for extended camping and road trips
  • Precision engineered by Elkhart Plastics for maximum reliability
  • Compact dimensions of 43" x 29" x 15" for versatile installation
  • Manufactured from high-grade polyethylene material
  • Corrosion-resistant and lightweight design
  • Compatible with most standard RV water systems

Why Choose This Fresh Water Tank

Elkhart Plastics has been a trusted name in RV water tank manufacturing for decades, consistently delivering superior products that meet the demanding needs of recreational vehicle owners. Their commitment to quality engineering and rigorous manufacturing standards ensures that this 78-gallon tank provides exceptional performance, longevity, and peace of mind for travelers.

The EPI 4537 model represents the pinnacle of their water tank technology, offering a perfect balance between capacity, durability, and practical design. Serious RV enthusiasts understand that a reliable water storage solution is critical for comfortable and worry-free journeys.

Compare Similar Fresh Water Tanks

Model Capacity Manufacturer Details
78 Gallon RV Water Tank 43" x 29" x 15" EPI 4537 (This Product) 78 gal Elkhart Plastics/Ameri-Kart Current Product
75 Gallon RV Water Tank 72" x 44-1/2" x 6" EPI 3209 - 7 75 gal Elkhart Plastics/Ameri-Kart View Details
81 Gallon RV Water Tank 63" x 31 1/2" x 10" EPI 105W Di 81 gal Elkhart Plastics/Ameri-Kart View Details
73 Gallon RV Water Tank 52 1/2" x 25 1/2" x 13" EPI 189 73 gal Elkhart Plastics/Ameri-Kart View Details
84 Gallon RV Water Tank 63" x 36" x 9" EPI 288W Discont 84 gal Elkhart Plastics/Ameri-Kart View Details

Tip: Measure your tank cavity before ordering to ensure a proper fit.

Technical Specifications

  • Total volume: 78 gallons
  • Material: High-density polyethylene
  • Color: White
  • Weight: Approximately 45 lbs
  • Temperature range: -40°F to 180°F
  • UV resistant construction
  • Made in the USA
  • Meets all DOT and RVIA standards

What's Included

  • 1x RV Fresh Water Tank
  • Manufacturer documentation

Frequently Asked Questions

Why Buy from Elkhart RV Parts

Elkhart RV Parts sources directly from trusted manufacturers including Elkhart Plastics and Ameri-Kart, ensuring every tank meets OEM specifications. We offer fast shipping, expert support, and a hassle-free return policy. Our team understands RV plumbing and can help you find the right replacement tank for your specific application.

Ready to order your 78-gallon RV water tank? Add it to your cart now or use our AI Live Chat for help finding the right fit for your RV. We ship fast from Elkhart, Indiana — the RV capital of the world.
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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.

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