Elkhart Plastics

31.5 Gallon RV Holding Tank 52 x 22 x 8 1/4 Elkhart Plastics EPI 4325

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  • 31.5 Gallon RV Holding Tank 52 x 22 x 8 1/4 Elkhart Plastics EPI 4325
  • 31.5 Gallon RV Holding Tank 52 x 22 x 8 1/4 Elkhart Plastics EPI 4325



Whether you like to park your recreational vehicle in a rural area well away from civilization, or you want plenty of neighbors in an RV park, you need your sewer system to work as expected, preventing a leak that leads to a disgusting mess. When you replace the RV's OEM holding tank with the RecPro 31.5 Gallon RV Holding Tank, you'll greatly reduce the chance of a disastrous leak, which could happen as the original tank begins to age. Elkhart Plastics, one of the top manufacturers of plastic based products in the United States, creates our aftermarket holding tanks, using only high quality plastics. Because of the quality of the plastic materials, you can feel comfortable using this tank in any kind of weather conditions when camping, even in extremely low temperatures, where lower quality plastics could fail. All of our designs go through regular testing processes, delivering a product you can count on for excellent reliability. This black water holding tank has dimensions of 52" x 22" x 8.25", meaning it will fit in the same location as the original tank, maintaining a seamless system for collecting your RV's sewage. With the EPI 4325 tank's large 31.5-gallon capacity, you'll be able to spend more time at the campsite between trips to the dump station. RecPro has a large catalog of RV aftermarket parts that will help you keep your recreational vehicle in top working condition.


  • Length: 52"
  • Width: 22"
  • Depth: 8.25"
  • Wall Thickness: 0.180”
  • Capacity: 31.5 gallons
  • Outlet: 3"
  • Material: Polyethylene
  • 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

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