RV Holding Tanks

RV Holding Tanks are designed for potable black and grey water holding for motorhomes, trailers, campers, food trucks, tiny houses and more. All of our RV Holding Tanks are rotationally molded in the USA and are resistant to dents, chips, and cracks. 


Our RV black water and grey water holding tanks have the option of pre-installed fittings, can be ordered as a blank tank for DIY fittings, or RV Tank Supply can work with you for customized fittings. Where you can specify your exact filling location and type.

Name Capacity Length Width Height Diameter Part # Price

20 Gallon RV Holding Tank | RVH30W

20 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH30W
$202.95

20 Gallon RV Holding Tank | RVHB234

20 Gallons 33.25'' 17.125'' 8.75'' N/A RVHB234
$246.95

20 Gallon RV Holding Tank | RVHB257

20 Gallons 18.5'' 18'' 16'' N/A RVHB257
$246.95

20 Gallon RV Holding Tank | RVHB233

20 Gallons 21'' 21'' 11.25'' N/A RVHB233
$246.95

20 Gallon RV Holding Tank | RVHB231

20 Gallons 28.25'' 14.5'' 11.5'' N/A RVHB231
$246.95

20 Gallon RV Holding Tank | RVHB227

20 Gallons 20.75'' 17.75'' 13.75'' N/A RVHB227
$246.95

20 Gallon RV Holding Tank | RVHB213

20 Gallons 28'' 16.125'' 12.25'' N/A RVHB213
$269.95

20 Gallon RV Holding Tank | RVHB200

20 Gallons 24'' 17'' 12'' N/A RVHB200
$246.95

20 Gallon RV Holding Tank | RVHB181

20 Gallons 30'' 18'' 10.5'' N/A RVHB181
$246.95

20 Gallon RV Holding Tank | RVHB137

20 Gallons 29.5'' 13.25'' 14'' N/A RVHB137
$269.95

21 Gallon RV Holding Tank | R-56H

21 Gallons 22'' 22'' 12'' N/A R-56H
$268.95

22 Gallon RV Holding Tank | RVHB430

22 Gallons 45.5'' 11.5'' 11.5'' N/A RVHB430
$246.95

22 Gallon RV Holding Tank | RVHB276

22 Gallons 23'' 16.875'' 14.75'' N/A RVHB276
$246.95

22 Gallon RV Holding Tank | RVHB128

22 Gallons 34'' 12'' 12'' N/A RVHB128
$246.95

23 Gallon RV Holding Tank | RVHB450

23 Gallons 44.5'' 12.5'' 11.5'' N/A RVHB450
$269.95

23 Gallon RV Holding Tank | RVHB378

23 Gallons 40'' 18'' 8'' N/A RVHB378
$269.95

24 Gallon RV Holding Tank | RVHB446

24 Gallons 44'' 26'' 6'' N/A RVHB446
$269.95

25 Gallon RV Holding Tank | R-17H

25 Gallons 50'' 20'' 9'' N/A R-17H
$268.95

25 Gallon RV Holding Tank | RVH49W

25 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH49W
$224.95

25 Gallon RV Holding Tank | RVHB163

25 Gallons 30'' 20'' 10'' N/A RVHB163
$269.95

26 Gallon RV Holding Tank | R-62H

26 Gallons 25'' 25'' 12'' N/A R-62H
$268.95

26 Gallon RV Holding Tank | R-54H

26 Gallons 28'' 22'' 12'' N/A R-54H
$257.95

26 Gallon RV Holding Tank | RVH71W

26 Gallons 38'' 20'' 9'' N/A RVH71W
$246.95

26 Gallon RV Holding Tank | RVH50W

26 Gallons 50'' 16'' 8'' N/A RVH50W
$246.95

40 Gallon RV Holding Tank | RVHB432

40 Gallons 28'' 23'' 16'' N/A RVHB432
$257.95
Call/Text: 928-421-3526
Email Us: hello@rvtanksupply.com