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Fresh Water Tank WT3856 - 43 Gal.

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700.96 $
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  3. Fresh Water Tank WT3856 - 43 Gal.
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Forest River Fresh Water Tank WT3855 - 26 Gal.
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Fresh Water Tank WT3856 - 43 Gal.

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700.96 $ 700.96 CAD 700.96 $

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ICON Fresh Water Tank (WT3856) – 43 Gallon RV Tank for Forest River Applications

Enhance your RV’s water system with the WT3856 ICON Fresh Water Tank, engineered for Fifth Wheels, Travel Trailers, and Campers. This 43-gallon tank is constructed using roto-molded, one-piece technology for superior strength and long-lasting performance.

  • Dimensions: 49 3/4" x 41 3/4" x 5"
  • Capacity: 43 US gallons
  • Application-Specific Fit: Includes preinstalled fittings tailored for select Forest River RVs
  • OEM Reference: Forest River Part #0275
  • Construction: Durable, seamless roto-molded design with spin-welded fittings
  • Certifications: Meets IAPMO standards for quality and safety

Ideal for replacing outdated or damaged tanks, this unit delivers rugged performance and precise compatibility with Forest River setups.


Width: 62.79" (1595mm)

Crossbar Length: 62.40" (1585mm)

130 HR Transit: 104.72" (266.0cm)

148 MR Transit: 132.3" (336.0cm)

148 HR Transit: 81.9" (308.0cm)

148 HR EXT Transit: 150.4" (382.0cm)

Lengths by Vehicle:

Internal Width: 62.22" (1555mm)

130 Transit: 49 lbs

148 Transit: 58 lbs

148 EXT Transit: 74 lbs