Elkhart Plastics

35 Gallon RV Holding Tank 61 1/2" x 22" x 9 1/4" Elkhart Plastics EPI 4259

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  • 35 Gallon RV Holding Tank 61 1/2" x 22"  x 9 1/4" Elkhart Plastics EPI 4259
  • 35 Gallon RV Holding Tank 61 1/2" x 22"  x 9 1/4" Elkhart Plastics EPI 4259



Your black water holding tank has a very important purpose on board your RV. It’s this tank that allows you to use the restroom in your own RV rather than walking over to the campground building. If your holding tank has a leak in it, however, your vacation goes from fun to frustrating really fast. Don’t let worries over a leaking black water holding tank put a damper on your RV trip. Instead, replace the original tank that shipped with your recreational vehicle with the RecPro 35 Gallon RV Holding Tank.

The holding tank in the RV collects wastewater from the vehicle’s sewer system. If your RV has both gray water and black water tanks, this will fit as a black water tank. For an RV without a separate gray water tank, this holding tank takes all of the wastewater. Our tank measures 61.5” x 22” x 9.25”, and we’ve designed it to fit in the same spot as the OEM holding tank. With a proper fit in the tank, you don’t have to worry about leaks, even when you’re camping in remote locations or driving on rough roads. Our holding tank has a 35-gallon capacity, which means you don’t have to worry about emptying it as often. It also will hold quite a bit of liquid. With plenty of liquid in the black water tank at the time you dump it, you’ll be able to more thoroughly remove all of the solids from the tank. Maintenance of the black water holding tank is key to avoiding odors and other issues when you’re in the middle of a camping trip. Our high-quality replacement holding tanks are built to high levels of tolerance using tough plastics, ensuring the tank will give you the performance you need.

Have any questions? Contact us online or call our friendly Customer Care team today!


  • Length: 61.5”
  • Width: 22”
  • Depth: 9.25”
  • Capacity: 35 gallons
  • Outlet: 3”
  • ¼” thick walls
  • Manufactured by Elkhart Plastics
  • Material: Polyethylene
  • Made in USA
  • Optional fittings kit

*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 or refunds on special orders

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