Hot Tub Weights and Measures
| OPUSPA™ FAMILY | (6″ below top) | (6″ below top) | (Filled to top) | MAX | Heating Times | in F° / hr. Aprox. | ||||||
| STD. DEPTH 35″ | WALL | TYP. H2O | DRY | RATED | MAX. | MAX. H2O | SPEC.LOAD | 1.5kw | 6.0kw | 100K BTU | ||
| NOM. DIA. (FT) | I.D. | DEPTH” | DEPTH” | WT. | GALLONS | GALLONS | FILLED WT | LBS./SQ.FT. | 120V | 240V | Nat. Gas | |
| 3 | 33 | 35 | 29 | 75 | 107 | 130 | 1155 | 173 | 5.7 | 22.9 | 89.4 | |
| 4 | 45 | 35 | 29 | 100 | 200 | 241 | 2109 | 175 | 3.1 | 12.3 | 48.1 | |
| 5 | 57 | 35 | 29 | 125 | 320 | 387 | 3348 | 176 | 1.9 | 7.7 | 30.0 | |
| 6 | 69 | 35 | 29 | 150 | 469 | 567 | 4873 | 177 | 1.3 | 5.2 | 20.4 | |
| 7 | 81 | 35 | 29 | 175 | 647 | 781 | 6684 | 178 | 0.9 | 3.8 | 14.8 | |
| 8 | 93 | 35 | 29 | 200 | 853 | 1029 | 8781 | 178 | 0.7 | 2.9 | 11.3 |
| RUBADUB TUB® FAMILY | (6″ below top) | (6″ below top) | (Filled to top) | MAX | in F° / hr. Aprox. | |||||||
| STD. DEPTH 44″ | WALL | TYP. H2O | DRY | RATED | MAX. | MAX. H2O | SPEC.LOAD | 1.5kw | 6.0kw | 100K BTU | ||
| NOM. DIA. (FT) | I.D. | DEPTH” | DEPTH” | WT. | GALLONS | GALLONS | FILLED WT | LBS./SQ.FT. | 120V | 240V | Nat. Gas | |
| 3 | 33 | 44 | 38 | 102 | 141 | 163 | 1460 | 219 | 4.4 | 17.5 | 68.2 | |
| 4 | 45 | 44 | 38 | 135 | 262 | 303 | 2661 | 221 | 2.3 | 9.4 | 36.7 | |
| 5 | 57 | 44 | 38 | 170 | 420 | 486 | 4222 | 222 | 1.5 | 5.9 | 22.9 | |
| 6 | 69 | 44 | 38 | 204 | 615 | 712 | 6142 | 223 | 1.0 | 4.0 | 15.6 | |
| 7 | 81 | 44 | 38 | 238 | 848 | 982 | 8421 | 224 | 0.7 | 2.9 | 11.3 | |
| 8 | 93 | 44 | 38 | 272 | 1117 | 1294 | 11059 | 225 | NR | 2.2 | 8.6 | |
| 9 | 105 | 44 | 38 | 306 | 1424 | 1649 | 14057 | 225 | NR | 1.7 | 6.7 | |
| 10 | 117 | 44 | 38 | 340 | 1769 | 2048 | 17413 | 225 | NR | 1.4 | 5.4 | |
| 11 | 129 | 44 | 38 | 374 | 2150 | 2489 | 21129 | 226 | NR | 1.1 | 4.5 | |
| 12 | 141 | 44 | 38 | 408 | 2569 | 2974 | 25204 | 226 | NR | 1.0 | 3.7 |
| RUBADUB TUB® FAMILY – 54″ DEPTH | (6″ below top) | (Filled to top) | MAX | in F° / hr. Aprox. | ||||||||
| EXERCISE & MEDICAL THERAPY | WALL | TYP. H2O | DRY | RATED | MAX. | MAX. H2O | SPEC.LOAD | 1.5kw | 6.0kw | 100K BTU | ||
| NOM. DIA. (FT) | I.D. | DEPTH” | DEPTH” | WT. | GALLONS | GALLONS | FILLED WT | LBS./SQ.FT. | 120V | 240V | Nat. Gas | |
| 3 | 33 | 54 | 48 | 125 | 178 | 200 | 1792 | 268 | 3.5 | 13.8 | 54.0 | |
| 4 | 45 | 54 | 48 | 166 | 330 | 372 | 3265 | 271 | 1.9 | 7.4 | 29.0 | |
| 5 | 57 | 54 | 48 | 209 | 530 | 597 | 5182 | 273 | 1.2 | 4.6 | 18.1 | |
| 6 | 69 | 54 | 48 | 250 | 777 | 874 | 7538 | 274 | 0.8 | 3.2 | 12.3 | |
| 7 | 81 | 54 | 48 | 292 | 1071 | 1205 | 10335 | 275 | 0.6 | 2.3 | 9.0 | |
| 8 | 93 | 54 | 48 | 334 | 1412 | 1588 | 13573 | 276 | NR | 1.7 | 6.8 | |
| 9 | 105 | 54 | 48 | 376 | 1799 | 2024 | 17251 | 276 | NR | 1.4 | 5.3 | |
| 10 | 117 | 54 | 48 | 417 | 2234 | 2513 | 21371 | 277 | NR | 1.1 | 4.3 | |
| 11 | 129 | 54 | 48 | 459 | 2716 | 3055 | 25931 | 277 | NR | 0.9 | 3.5 | |
| 12 | 141 | 54 | 48 | 501 | 3245 | 3650 | 30932 | 277 | NR | 0.8 | 3.0 |
| RUBADUB TUB® FAMILY – 60″ DEPTH | (6″ below top) | (Filled to top) | MAX | in F° / hr. Aprox. | ||||||||
| EXERCISE & MEDICAL THERAPY | WALL | TYP. H2O | DRY | RATED | MAX. | MAX. H2O | SPEC.LOAD | 1.5kw | 6.0kw | 100K BTU | ||
| NOM. DIA. (FT) | I.D. | DEPTH” | DEPTH” | WT. | GALLONS | GALLONS | FILLED WT | LBS./SQ.FT. | 120V | 240V | Nat. Gas | |
| 3 | 33 | 60 | 54 | 139 | 200 | 222 | 1991 | 298 | 3.1 | 12.3 | 48.0 | |
| 4 | 45 | 60 | 54 | 184 | 372 | 413 | 3628 | 301 | 1.7 | 6.6 | 25.8 | |
| 5 | 57 | 60 | 54 | 232 | 597 | 663 | 5758 | 303 | 1.0 | 4.1 | 16.1 | |
| 6 | 69 | 60 | 54 | 278 | 874 | 971 | 8375 | 305 | 0.7 | 2.8 | 11.0 | |
| 7 | 81 | 60 | 54 | 325 | 1205 | 1338 | 11483 | 306 | NR | 2.0 | 8.0 | |
| 8 | 93 | 60 | 54 | 371 | 1588 | 1764 | 15081 | 306 | NR | 1.5 | 6.0 | |
| 9 | 105 | 60 | 54 | 417 | 2024 | 2249 | 19168 | 307 | NR | 1.2 | 4.7 | |
| 10 | 117 | 60 | 54 | 464 | 2513 | 2793 | 23745 | 307 | NR | 1.0 | 3.8 | |
| 11 | 129 | 60 | 54 | 510 | 3055 | 3395 | 28812 | 308 | NR | 0.8 | 3.1 | |
| 12 | 141 | 60 | 54 | 556 | 3650 | 4056 | 34369 | 308 | NR | 0.7 | 2.6 |
| RUBADUB TUB® FAMILY – 66″ DEPTH | (6″ below top) | (Filled to top) | MAX | in F° / hr. Aprox. | ||||||||
| EXERCISE & MEDICAL THERAPY | WALL | TYP. H2O | DRY | RATED | MAX. | MAX. H2O | SPEC.LOAD | 1.5kw | 6.0kw | 100K BTU | ||
| NOM. DIA. (FT) | I.D. | DEPTH” | DEPTH” | WT. | GALLONS | GALLONS | FILLED WT | LBS./SQ.FT. | 120V | 240V | Nat. Gas | |
| 4 | 45 | 66 | 60 | 203 | 413 | 454 | 3991 | 331 | 1.5 | 5.9 | 23.2 | |
| 5 | 57 | 66 | 60 | 255 | 663 | 729 | 6333 | 334 | 0.9 | 3.7 | 14.5 | |
| 6 | 69 | 66 | 60 | 306 | 971 | 1068 | 9213 | 335 | 0.6 | 2.5 | 9.9 | |
| 7 | 81 | 66 | 60 | 357 | 1338 | 1472 | 12631 | 336 | NR | 1.8 | 7.2 | |
| 8 | 93 | 66 | 60 | 408 | 1764 | 1941 | 16589 | 337 | NR | 1.4 | 5.4 | |
| 9 | 105 | 66 | 60 | 459 | 2249 | 2474 | 21085 | 338 | NR | 1.1 | 4.3 | |
| 10 | 117 | 66 | 60 | 510 | 2793 | 3072 | 26120 | 338 | NR | 0.9 | 3.4 | |
| 11 | 129 | 66 | 60 | 561 | 3395 | 3734 | 31693 | 339 | NR | 0.7 | 2.8 | |
| 12 | 141 | 66 | 60 | 612 | 4056 | 4461 | 37806 | 339 | NR | 0.6 | 2.4 |
| RUBADUB TUB® FAMILY – 72″ DEPTH | (6″ below top) | (Filled to top) | MAX | in F° / hr. Aprox. | ||||||||
| EXERCISE & MEDICAL THERAPY | WALL | TYP. H2O | DRY | RATED | MAX. | MAX. H2O | SPEC.LOAD | 1.5kw | 6.0kw | 100K BTU | ||
| NOM. DIA. (FT) | I.D. | DEPTH” | DEPTH” | WT. | GALLONS | GALLONS | FILLED WT | LBS./SQ.FT. | 120V | 240V | Nat. Gas | |
| 4 | 45 | 72 | 66 | 221 | 454 | 496 | 4354 | 361 | 1.4 | 5.4 | 21.1 | |
| 5 | 57 | 72 | 66 | 278 | 729 | 795 | 6909 | 364 | 0.8 | 3.4 | 13.2 | |
| 6 | 69 | 72 | 66 | 334 | 1068 | 1165 | 10051 | 366 | 0.6 | 2.3 | 9.0 | |
| 7 | 81 | 72 | 66 | 389 | 1472 | 1606 | 13780 | 367 | NR | 1.7 | 6.5 | |
| 8 | 93 | 72 | 66 | 445 | 1941 | 2117 | 18097 | 368 | NR | 1.3 | 4.9 | |
| 9 | 105 | 72 | 66 | 501 | 2474 | 2699 | 23002 | 368 | NR | 1.0 | 3.9 | |
| 10 | 117 | 72 | 66 | 556 | 3072 | 3351 | 28494 | 369 | NR | 0.8 | 3.1 | |
| 11 | 129 | 72 | 66 | 612 | 3734 | 4074 | 34574 | 369 | NR | 0.7 | 2.6 | |
| 12 | 141 | 72 | 66 | 668 | 4461 | 4867 | 41243 | 370 | NR | 0.6 | 2.2 |
