Elkhart Plastics

34 Gallon RV Holding Tank 54 1/2" x 28" x 7 3/4" Elkhart Plastics EPI 4289

0 stars, based on 0 reviews
  • 4289 dim
  • 34 Gallon RV Holding Tank 54 1/2" x 28"  x 7 3/4" Elkhart Plastics EPI 4289



Problems with your holding tank shouldn’t have you in a holding pattern! Your black water tank should be the last thing you need to think about when you’re getting ready to head across the country to see your family or visit one of our great nation’s monuments. But, you know, if there is a problem with your holding tank, even a pinhole leak, you and your dreams of travel aren’t going anywhere!

The water systems of your RV are such that there can be no room for error. There’s not a slight leak that you can get away with. A slow leak in a tire…no problem. You can get it repaired at the next stop or keep filling it up when you fuel up to keep limping along until you can do something about it. A leak in your black water system? You fix it or you don’t go anywhere!

So, start off on the right foot. At RecPro, when it comes to your tanks, we’ve got the right fight, the right quality, the best accessories, and the top manufacturers! The 4289, 34-gallon tank from EPI is just the right tank for your RV. When you’re looking to upgrade, give yourself huge holding capacity, and provide peace of mind, an EPI tank from RecPro is where it’s at. These tanks are rigorously tested so they won’t fail you out on the road. We’ve coupled that quality with a selection of installation accessories that can’t be beat! If you want to know how to completely upgrade your black water system, call one of our customer care agents today.


  • Dimensions – 54 1/2” L x 28” W x 7 3/4” H (overall)
  • Dimensions – (wall) 1/4"
  • Capacity – 30-gallons
  • High-density plastic
  • Material: Polyethylene
  • Custom blank tank
  • Lead time applicable
  • Low-adhesion surface
  • Fittings kit available at
  • Accessories available on the website
  • EPI manufactured tank
  • Made in USA

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

Optional Fittings Kit Includes:

  • Three 1 1/2" grommets (requires 2 1/2" hole size)
  • One 3" Grommet (requires 4" hole size)
  • Three 1 1/2" ABS barbed coupler
  • One 3" ABS barbed coupler
  • Six Mini-Probe Tank Inserts (sensors)

No Returns on Special orders

View AllClose