| Unit | SR14 | SR-54 |
| Motor | Ultra 5.7" 2 Stage Flow-Thru | Premier 7.2" Tangential By-Pass |
| Voltage | 120 A.C. | 120 A.C. |
| Max Amps | 15.0 | 15.8 |
| Max Air Watts | 725 | 631 |
| Airflow CFM | 133 | 121 |
| Sealed Vacuum "H2O |
145 | 142 |
| Filtration | Cyclonic Inverted Bag | Inverted Bag |
| Sound Level | 58 db | 66 db |
| Capacity | 25 Qt. | 38 Qt. |
| Dimensions Power Unit | Dia. 12 7/8 Ht. 37 | Dia. 16 1/8 Ht. 41 3/4 |
| * # of Valves | 5-8 | 6-10 |
| * Max Pipe Run | 140 ft. | 160 ft. |
| * Up to Total Sq. Ft. | 6,000 | 10,000 |