| Unit | SR12 | SR14 | SR-54 | SR-64 |
| Motor | 5.7" 2 Stage Flow-Thru | Ultra 5.7" 2 Stage Flow-Thru | Premier 7.2" Tangential By-Pass | (2) 5.7" 2 Stage Tangential By-Pass |
| Voltage | 120 A.C. | 120 A.C. | 120 A.C. | 240 A.C. |
| Max Amps | 11.3 | 15.0 | 15.8 | 13.0 |
| Max Air Watts | 561 | 725 | 631 | 1040 |
| Airflow CFM | 117 | 133 | 121 | 220 |
| Sealed Vacuum "H2O |
142 | 145 | 142 | 123 |
| Filtration | Cyclonic Inverted Bag | Cyclonic Inverted Bag | Inverted Bag | Inverted Bag |
| Sound Level | 58 db | 58 db | 66 db | 74 db |
| Capacity | 25 Qt. | 25 Qt. | 38 Qt. | 38 Qt. |
| Dimensions Power Unit | Dia. 12 7/8 Ht. 37 | Dia. 12 7/8 Ht. 37 | Dia. 16 1/8 Ht. 41 3/4 | Dia. 16 1/8 Ht. 48 3/8 |
| * # of Valves | 2-5 | 5-8 | 6-10 | 10-16 |
| * Max Pipe Run | 125 ft. | 140 ft. | 160 ft. | 250 ft. |
| * Up to Total Sq. Ft. | 4,000 | 6,000 | 10,000 | 18,000 |