RV Water Tanks

RV Fresh Water Tanks are designed for potable water use in motorhomes, trailers, campers, food trucks, tiny houses and more. All of our RV Water Tanks are rotationally molded using BPA free and FDA approved resin, suitable for drinking water and food handling.


Our RV 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

13 Gallon RV Water Tank | RVWB262

13 Gallons 15.875'' 15.125'' 14.5'' N/A RVWB262
$146.95

13 Gallon RV Water Tank | RV35W

13 Gallons 18'' 12'' 19'' N/A RV35W
$292.95

14 Gallon RV Water Tank | RVWB534

14 Gallons 16.875'' 15.75'' 14'' N/A RVWB534
$168.95

14 Gallon RV Water Tank | RVWB274

14 Gallons 15.625'' 15.625'' 15.125'' N/A RVWB274
$146.95

14 Gallon RV Water Tank | RVWB265

14 Gallons 17.5'' 14.5'' 14.25'' N/A RVWB265
$134.95

14 Gallon RV Water Tank | RVWB245

14 Gallons 24.5'' 16.5'' 9.125'' N/A RVWB245
$146.95

14 Gallon RV Water Tank | RV37W

14 Gallons 29.75'' 16'' 7.5'' N/A RV37W
$224.95

14 Gallon RV Water Tank | RV3W

14 Gallons 29.75'' 13.875'' 8.125'' N/A RV3W
$168.95

15 Gallon RV Water Tank | RVWB492

15 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVWB492
$146.95

15 Gallon RV Water Tank | RVWB388

15 Gallons 24'' 18.5'' 8.5'' N/A RVWB388
$146.95

15 Gallon RV Water Tank | RVWB320

15 Gallons 17.5'' 16.75'' 13.75'' N/A RVWB320
$146.95

15 Gallon RV Water Tank | RVWB264

15 Gallons 22'' 17'' 9.875'' N/A RVWB264
$134.95

15 Gallon RV Water Tank | RVWB251

15 Gallons 27.5'' 14.75'' 9.5'' N/A RVWB251
$190.95

15 Gallon RV Water Tank | RVWB175

15 Gallons 20'' 13'' 13'' N/A RVWB175
$134.95

15 Gallon RV Water Tank | RVWB131

15 Gallons 20'' 15'' 12'' N/A RVWB131
$146.95

15 Gallon RV Water Tank | RV11W

15 Gallons 21'' 13'' 13'' N/A RV11W
$156.95

16 Gallon RV Water Tank | RVWB526

16 Gallons 26'' 14'' 11'' N/A RVWB526
$156.95

16 Gallon RV Water Tank | RVWB500

16 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVWB500
$156.95

16 Gallon RV Water Tank | RVWB106

16 Gallons 16'' 16'' 16'' N/A RVWB106
$134.95

17 Gallon RV Water Tank | RVWB359

17 Gallons 19.75'' 15.75'' 14'' N/A RVWB359
$168.95

17 Gallon RV Water Tank | RVWB123

17 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVWB123
$168.95

17 Gallon RV Water Tank | RV36W

17 Gallons 23'' 21'' 9'' N/A RV36W
$246.95

13 Gallon RV Water Tank | RV29W

13 Gallons 39'' 13.75'' 12'' N/A RV29W
$202.95

18 Gallon RV Water Tank | RVWB527

18 Gallons 34.375'' 14.625'' 9.5'' N/A RVWB527
$202.95

18 Gallon RV Water Tank | RVWB369

18 Gallons 47.5'' 11.375'' 8.5'' N/A RVWB369
$224.95

18 Gallon RV Water Tank | RVWB366

18 Gallons 22'' 17'' 12'' N/A RVWB366
$156.95

18 Gallon RV Water Tank | RVWB352

18 Gallons 26.5'' 19.25'' 12'' N/A RVWB352
$168.95

18 Gallon RV Water Tank | RVWB235

18 Gallons 40'' 18'' 6'' N/A RVWB235
$168.95

18 Gallon RV Water Tank | RVWB232

18 Gallons 48.5'' 10.75'' 8'' N/A RVWB232
$213.95

18 Gallon RV Water Tank | RVWB211

18 Gallons 25'' 25'' 7.75'' N/A RVWB211
$168.95

18 Gallon RV Water Tank | RVWB159

18 Gallons 20'' 17'' 13'' N/A RVWB159
$146.95

18 Gallon RV Water Tank | RVWB104

18 Gallons 33'' 13'' 12.75'' N/A RVWB104
$180.95

19 Gallon RV Water Tank | RVWB549

19 Gallons 27'' 15.25'' 12'' N/A RVWB549
$168.95

19 Gallon RV Water Tank | RVWB480

19 Gallons 29'' 23'' 8'' N/A RVWB480
$202.95

19 Gallon RV Water Tank | RV73W

19 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RV73W
$202.95

19 Gallon RV Water Tank | RV27W

19 Gallons 32'' 12'' 12'' N/A RV27W
$258.95

19 Gallon RV Water Tank | RV20W

19 Gallons 38'' 15.5'' 8.125'' N/A RV20W
$224.95

20 Gallon RV Water Tank | RVWB556

20 Gallons 26'' 25'' 8'' N/A RVWB556
$202.95

20 Gallon RV Water Tank | RVWB234

20 Gallons 33.25'' 17.125'' 8.75'' N/A RVWB234
$190.95

20 Gallon RV Water Tank | RVWB257

20 Gallons 18.5'' 18'' 16'' N/A RVWB257
$190.95

20 Gallon RV Water Tank | RVWB233

20 Gallons 21'' 21'' 11.25'' N/A RVWB233
$190.95

20 Gallon RV Water Tank | RVWB231

20 Gallons 28.25'' 14.5'' 11.5'' N/A RVWB231
$156.95

20 Gallon RV Water Tank | RVWB227

20 Gallons 20.75'' 17.75'' 13.75'' N/A RVWB227
$190.95

20 Gallon RV Water Tank | RVWB213

20 Gallons 28'' 16.125'' 12.25'' N/A RVWB213
$168.95

20 Gallon RV Water Tank | RVWB200

20 Gallons 24'' 17'' 12'' N/A RVWB200
$168.95

20 Gallon RV Water Tank | RVWB181

20 Gallons 30'' 18'' 10.5'' N/A RVWB181
$190.95

20 Gallon RV Water Tank | RVWB164

20 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVWB164
$190.95

20 Gallon RV Water Tank | RVWB146

20 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVWB146
$190.95

20 Gallon RV Water Tank | RVWB137

20 Gallons 29.5'' 13.25'' 14'' N/A RVWB137
$180.95

20 Gallon RV Water Tank | RV72W

20 Gallons 35'' 19'' 7.75'' N/A RV72W
$202.95

20 Gallon RV Water Tank | RV57W

20 Gallons 32'' 16.5'' 10'' N/A RV57W
$202.95

20 Gallon RV Water Tank | RV39W

20 Gallons 35'' 13'' 11'' N/A RV39W
$224.95

20 Gallon RV Water Tank | RV30W

20 Gallons 24'' 19'' 11.5'' N/A RV30W
$202.95

21 Gallon RV Water Tank | RVWB355

21 Gallons 53.5'' 16.75'' 6'' N/A RVWB355
$213.95

21 Gallon RV Water Tank | RVWB281

21 Gallons 19.875'' 16.875'' 16.375'' N/A RVWB281
$180.95

22 Gallon RV Water Tank | RVWB430

22 Gallons 45.5'' 11.5'' 11.5'' N/A RVWB430
$202.95

22 Gallon RV Water Tank | RVWB276

22 Gallons 23'' 16.875'' 14.75'' N/A RVWB276
$190.95

22 Gallon RV Water Tank | RVWB128

22 Gallons 34'' 12'' 12'' N/A RVWB128
$168.95

23 Gallon RV Water Tank | RVWB450

23 Gallons 44.5'' 12.5'' 11.5'' N/A RVWB450
$202.95

23 Gallon RV Water Tank | RVWB378

23 Gallons 40'' 18'' 8'' N/A RVWB378
$236.95