Selection Table 1750 RPM
| Unit No. | G.P.M. | Disch. Head (ft.) | Motor H.P. | Motor R.P.M | Disch. Size (ins.) |
| VSP-2A-.5-4 | 15 | 30 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 15 | 41 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 15 | 52 | 1 | 1750 | 2 |
| VSP-2C-1.5-4 | 15 | 59 | 1.5 | 1750 | 2 |
| VSP-2A-.5-4 | 30 | 28 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 30 | 35 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 30 | 47 | 1 | 1750 | 2 |
| VSP-2A-1.5-4 | 30 | 52 | 1.5 | 1750 | 2 |
| VSP-2C-2-4 | 30 | 65 | 2 | 1750 | 2 |
| VSP-2A-.5-4 | 40 | 26 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 40 | 32 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 40 | 42 | 1 | 1750 | 2 |
| VSP-2A-1.5-4 | 40 | 50 | 1.5 | 1750 | 2 |
| VSP-2C-2-4 | 40 | 62 | 2 | 1750 | 2 |
| VSP-2A-.5-4 | 50 | 23 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 50 | 30 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 50 | 38 | 1 | 1750 | 2 |
| VSP-2A-1.5-4 | 50 | 47 | 1.5 | 1750 | 2 |
| VSP-2C-2-4 | 50 | 58 | 2 | 1750 | 2 |
| VSP-2A-.5-4 | 60 | 21 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 60 | 24 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 60 | 35 | 1 | 1750 | 2 |
| VSP-2A-1.5-4 | 60 | 45 | 1.5 | 1750 | 2 |
| VSP-2C-2-4 | 60 | 51 | 2 | 1750 | 2 |
| VSP-2A-.5-4 | 75 | 17 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 75 | 22 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 75 | 27 | 1 | 1750 | 2 |
| VSP-2A-1.5-4 | 75 | 40 | 1.5 | 1750 | 2 |
| VSP-2C-2-4 | 75 | 46 | 2 | 1750 | 2 |
| VSP-2C-3-4 | 75 | 56 | 3 | 1750 | 2 |
| VSP-2A-.5-4 | 100 | 10 | 0.5 | 1750 | 2 |
| VSP-2A-.75-4 | 100 | 15 | 0.75 | 1750 | 2 |
| VSP-2A-1-4 | 100 | 20 | 1 | 1750 | 2 |
| VSP-2A-1.5-4 | 100 | 29 | 1.5 | 1750 | 2 |
| VSP-2C-2-4 | 100 | 42 | 2 | 1750 | 2 |
| VSP-2C-3-4 | 100 | 52 | 3 | 1750 | 2 |
| VSP-3F-.75-4 | 125 | 12 | 0.75 | 1750 | 3 |
| VSP-3F-1-4 | 125 | 19 | 1 | 1750 | 3 |
| VSP-3F-1.5-4 | 125 | 26 | 1.5 | 1750 | 3 |
| VSP-3F-2-4 | 125 | 33 | 2 | 1750 | 3 |
| VSP-3C-3-4 | 125 | 50 | 3 | 1750 | 3 |
| VSP-3F-1-4 | 150 | 16 | 1 | 1750 | 3 |
| VSP-3F-1.5-4 | 150 | 23 | 1.5 | 1750 | 3 |
| VSP-3F-2-4 | 150 | 31 | 2 | 1750 | 3 |
| VSP-3C-3-4 | 150 | 42 | 3 | 1750 | 3 |
| VSP-3C-5-4 | 150 | 66 | 5 | 1750 | 3 |
| VSP-3F-1-4 | 200 | 7 | 1 | 1750 | 3 |
| VSP-3F-1.5-4 | 200 | 13 | 1.5 | 1750 | 3 |
| VSP-3F-2-4 | 200 | 25 | 2 | 1750 | 3 |
| VSP-3F-3-4 | 200 | 29 | 3 | 1750 | 3 |
| VSP-3K-3-4 | 200 | 34 | 3 | 1750 | 3 |
| VSP-3K-5-4 | 200 | 50 | 5 | 1750 | 3 |
| VSP-3K-7.5-4 | 200 | 55 | 7.5 | 1750 | 3 |
| VSP-3L-7.5-4 | 200 | 61 | 7.5 | 1750 | 3 |
| VSP-3F-1.5-4 | 250 | 10 | 1.5 | 1750 | 3 |
| VSP-3F-2-4 | 250 | 16 | 2 | 1750 | 3 |
| VSP-3F-3-4 | 250 | 25 | 3 | 1750 | 3 |
| VSP-3K-5-4 | 250 | 36 | 5 | 1750 | 3 |
| VSP-3K-7.5-4 | 250 | 52 | 7.5 | 1750 | 3 |
| VSP-3L-10-4 | 250 | 65 | 10 | 1750 | 3 |
| VSP-3L-15-4 | 250 | 88 | 15 | 1750 | 3 |
| VSP-4K-2-4 | 300 | 11 | 2 | 1750 | 4 |
| VSP-4K-3-4 | 300 | 23 | 3 | 1750 | 4 |
| VSP-4K-5-4 | 300 | 35 | 5 | 1750 | 4 |
| VSP-4K-7.5-4 | 300 | 48 | 7.5 | 1750 | 4 |
| VSP-4L-10-4 | 300 | 71 | 10 | 1750 | 4 |
| VSP-4L-15-4 | 300 | 85 | 15 | 1750 | 4 |
| VSP-4K-3-4 | 350 | 20 | 3 | 1750 | 4 |
| VSP-4K-5-4 | 350 | 32 | 5 | 1750 | 4 |
| VSP-4K-7.5-4 | 350 | 35 | 7.5 | 1750 | 4 |
| VSP-4L-7.5-4 | 350 | 47 | 7.5 | 1750 | 4 |
| VSP-4L-10-4 | 350 | 65 | 10 | 1750 | 4 |
| VSP-4L-15-4 | 350 | 80 | 15 | 1750 | 4 |
| VSP-4K-3-4 | 400 | 18 | 3 | 1750 | 4 |
| VSP-4K-5-4 | 400 | 25 | 5 | 1750 | 4 |
| VSP-4K-7.5-4 | 400 | 30 | 7.5 | 1750 | 4 |
| VSP-4L-7.5-4 | 400 | 42 | 7.5 | 1750 | 4 |
| VSP-4L-10-4 | 400 | 61 | 10 | 1750 | 4 |
| VSP-4L-15-4 | 400 | 75 | 15 | 1750 | 4 |
| VSP-4L-5-4 | 500 | 23 | 5 | 1750 | 4 |
| VSP-4L-7.5-4 | 500 | 36 | 7.5 | 1750 | 4 |
| VSP-4L-10-4 | 500 | 55 | 10 | 1750 | 4 |
| VSP-4L-15-4 | 500 | 71 | 15 | 1750 | 4 |
| VSP-4L-20-4 | 500 | 81 | 20 | 1750 | 4 |
Explanation of unit numbers: Example VSP-2A-.75-4: VSP is the type of pump.(vertical suspended heavy duty sump pump); -2 is the discharge size,(2 inches); A is the volute size (A = small volute; C and F = medium volute; K and L = large volute);. -.75 is the motor horsepower; and -4 is the motor speed (-4 = 4-pole 1750 RPM; -6 = 6-pole 1150 RPM)
Selection Table 1150 RPM
| Unit No. | G.P.M. | Disch. Head (ft.) | Motor H.P. | Motor R.P.M | Disch. Size (ins.) |
| VSP-2A-.25-6 | 15 | 15 | 0.25 | 1150 | 2 |
| VSP-2A-.33-6 | 15 | 18 | 0.33 | 1150 | 2 |
| VSP-2A-.5-6 | 15 | 23 | 0.5 | 1150 | 2 |
| VSP-2C-.75-6 | 15 | 36 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 15 | 42 | 1 | 1150 | 2 |
| VSP-2A-.25-6 | 30 | 13 | 0.25 | 1150 | 2 |
| VSP-2A-.33-6 | 30 | 17 | 0.33 | 1150 | 2 |
| VSP-2A-.5-6 | 30 | 22 | 0.5 | 1150 | 2 |
| VSP-2C-.75-6 | 30 | 35 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 30 | 41 | 1 | 1150 | 2 |
| VSP-2A-.25-6 | 40 | 11 | 0.25 | 1150 | 2 |
| VSP-2A-.33-6 | 40 | 14 | 0.33 | 1150 | 2 |
| VSP-2A-.5-6 | 40 | 22 | 0.5 | 1150 | 2 |
| VSP-2C-.75-6 | 40 | 33 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 40 | 40 | 1 | 1150 | 2 |
| VSP-2A-.25-6 | 50 | 10 | 0.25 | 1150 | 2 |
| VSP-2A-.33-6 | 50 | 13 | 0.33 | 1150 | 2 |
| VSP-2A-.5-6 | 50 | 18 | 0.5 | 1150 | 2 |
| VSP-2C-.75-6 | 50 | 30 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 50 | 38 | 1 | 1150 | 2 |
| VSP-2A-.25-6 | 60 | 6 | 0.25 | 1150 | 2 |
| VSP-2A-.33-6 | 60 | 12 | 0.33 | 1150 | 2 |
| VSP-2A-.5-6 | 60 | 14 | 0.5 | 1150 | 2 |
| VSP-2C-.75-6 | 60 | 24 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 60 | 30 | 1 | 1150 | 2 |
| VSP-2C-1.5-6 | 60 | 38 | 1.5 | 1150 | 2 |
| VSP-2A-.33-6 | 75 | 9 | 0.33 | 1150 | 2 |
| VSP-2A-.5-6 | 75 | 12 | 0.5 | 1150 | 2 |
| VSP-2C-.75-6 | 75 | 22 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 75 | 29 | 1 | 1150 | 2 |
| VSP-2C-1.5-6 | 75 | 37 | 1.5 | 1150 | 2 |
| VSP-2C-.75-6 | 100 | 16 | 0.75 | 1150 | 2 |
| VSP-2C-1-6 | 100 | 24 | 1 | 1150 | 2 |
| VSP-2C-1.5-6 | 100 | 33 | 1.5 | 1150 | 2 |
| VSP-3F-.75-6 | 125 | 14 | 0.75 | 1150 | 3 |
| VSP-3K-1-6 | 125 | 18 | 1 | 1150 | 3 |
| VSP-3K-1.5-6 | 125 | 25 | 1.5 | 1150 | 3 |
| VSP-3F-.75-6 | 150 | 9 | 0.75 | 1150 | 3 |
| VSP-3F-1-6 | 150 | 13 | 1 | 1150 | 3 |
| VSP-3K-1.5-6 | 150 | 21 | 1.5 | 1150 | 3 |
| VSP-3K-2-6 | 150 | 25 | 2 | 1150 | 3 |
| VSP-3L-3-6 | 150 | 33 | 3 | 1150 | 3 |
| VSP-3L-5-6 | 150 | 42 | 5 | 1150 | 3 |
| VSP-3K-1-6 | 200 | 10 | 1 | 1150 | 3 |
| VSP-3K-1.5-6 | 200 | 16 | 1.5 | 1150 | 3 |
| VSP-3L-2-6 | 200 | 22 | 2 | 1150 | 3 |
| VSP-3L-3-6 | 200 | 31 | 3 | 1150 | 3 |
| VSP-3L-5-6 | 200 | 40 | 5 | 1150 | 3 |
| VSP-3L-1.5-6 | 250 | 14 | 1.5 | 1150 | 3 |
| VSP-3L-2-6 | 250 | 19 | 2 | 1150 | 3 |
| VSP-3L-3-6 | 250 | 27 | 3 | 1150 | 3 |
| VSP-3L-5-6 | 250 | 37 | 5 | 1150 | 3 |
| VSP-4L-1.5-6 | 300 | 11 | 1.5 | 1150 | 4 |
| VSP-4L-2-6 | 300 | 15 | 2 | 1150 | 4 |
| VSP-4L-3-6 | 300 | 25 | 3 | 1150 | 4 |
| VSP-4L-5-6 | 300 | 33 | 5 | 1150 | 4 |
| VSP-4L-2-6 | 350 | 13 | 2 | 1150 | 4 |
| VSP-4L-3-6 | 350 | 21 | 3 | 1150 | 4 |
| VSP-4L-5-6 | 350 | 30 | 5 | 1150 | 4 |
| VSP-4L-2-6 | 400 | 12 | 2 | 1150 | 4 |
| VSP-4L-3-6 | 400 | 20 | 3 | 1150 | 4 |
| VSP-4L-5-6 | 400 | 27 | 5 | 1150 | 4 |
| VSP-4L-3-6 | 500 | 15 | 3 | 1150 | 4 |
| VSP-4L-5-6 | 500 | 23 | 5 | 1150 | 4 |
Explanation of unit numbers: Example VSP-2A-.75-4: VSP is the type of pump.(vertical suspended heavy duty sump pump); -2 is the discharge size,(2 inches); A is the volute size (A = small volute; C and F = medium volute; K and L = large volute);. -.75 is the motor horsepower; and -4 is the motor speed (-4 = 4-pole 1750 RPM; -6 = 6-pole 1150 RPM)
