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Jayco Fresh Water Tank WT3644 - 81 Gal., 0335790

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1,044.99 $
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  3. Jayco Fresh Water Tank WT3644 - 81 Gal., 0335790
Fresh Water Tank WT3594 - 38 Gal.
Fresh Water Tank WT3594 - 38 Gal.
412.23 $
412.23 $
Fresh Water Tank WT3644 - 81 Gal.
Fresh Water Tank WT3644 - 81 Gal.
959.99 $
959.99 $

Jayco Fresh Water Tank WT3644 - 81 Gal., 0335790

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1,044.99 $ 1044.99 CAD 1,044.99 $

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Jayco Fresh Water Tank for RVs (Fifth Wheels, Travel Trailers, or Campers) – 81 Gallon, White

Upgrade your RV's fresh water system with this durable, impact-resistant ICON tank. Featuring one-piece roto-molded construction, this tank ensures long-lasting reliability and high performance, ideal for replacing an old or leaking water tank.

  • Final Sale: No returns on this item
  • Color: White
  • Capacity: 81 Gallons (81-85 Gallon capacity group)
  • Dimensions: 44 1/2" x 58" x 7 3/4"
  • Fitment: Tank with specifically placed fittings for certain Jayco RV applications
  • Construction: Roto-molded, one-piece design with spin-welded components
  • Certifications: Certified to IAPMO standards

This fresh water tank is designed for RV enthusiasts looking for a reliable and high-quality solution for their water storage needs.


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