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Elkhart Plastics

11 Gallon RV Water Tank 18" x 14 7/8" x 9 1/2" Elkhart Plastics EPI 0308W

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  • 11 Gallon RV Water Tank 18" x 14 7/8" x 9 1/2" Elkhart Plastics EPI 0308W
  • 11 Gallon RV Water Tank 18" x 14 7/8" x 9 1/2" Elkhart Plastics EPI 0308W



Have limited space but need capacity to handle your fresh water needs? Running a Class “C” RV and trying to utilize the space you have to the best of your ability? It doesn’t matter if you have a Class “C”, “B”, tiny home, apartment, concession trailer, food truck, or horses hauler...if you need water storage and your real estate in your vehicle or towable is on a thin budget, this custom tank is just what you need.

Our tanks are manufactured by EPI. Elkhart Plastics Inc. is one of the top-tier manufacturers of fresh water, grey, and holding tanks in the world. That’s why RecPro has partnered with EPI to be a premier supplier of their tanks so that we can bring some of the highest quality in the world to your RV. These tanks are specifically manufactured so that they are free of inclusions and imperfections in the tank walls. This means that as you travel down the road and fill, empty, and refill this tank, it will last the test of time.

What if your plumbing isn’t a standard configuration” This 11-gallon tank comes as a perfect blank so that you can customize it to your needs. We have a wide variety of customizing options to help you with your installation. If you need gauges, wiring harnesses, sensors, or fittings kits, we’ve got what you need.

Call our customer care team and they can help you fill your custom order today. Have any questions? Contact us online or give us a call!


  • Dimensions: 18” L x 14 ⅞” W x 9 ½” H
  • Wall Thickness: 0.180”
  • Capacity: 11 gallon
  • Works for fresh and grey water applications
  • Rotationally molded
  • Made with high-density plastic
  • Material: Polyethylene
  • Non-adhesive surface to prevent “tank cake”
  • BPA certified
  • Manufactured by Elkhart Plastics Inc.
  • Custom tank requires lead time
  • Water tank (fittings kits available on the site)
  • Compatible with KIB gauges and miracle sensors
  • Made in USA

*Blank tank only - does not include intake or overflow port fittings. Fittings Kit is optional.*

Fittings Kit Includes:

  • (2) 1/2" grommets (requires 1 1/4" hole saw)
  • (2) 3/4" grommets (requires 1 1/4" hole saw)
  • (2) 1" grommets (requires 1 3/4" hole saw)
  • (1) 1 1/2" grommets (requires 2 1/2" hole saw)
  • (1) 2" grommets (requires 3" hole saw)
  • (6) water level sensors
  • Color: Natural white

No Returns on Special orders

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