Heaters: One is required for 1-phase & three for 3-phase.
| HP | Voltage | Phase | Part # | Heater # |
| 5 | 208/230 | 1 | S51 | B36 |
| 7.5 | 208/230 | 1 | S71 | B45 |
| 10 | 230 | 1 | S101 | B70 |
| 5 | 208/230 | 3 | S52 | B25 |
| 5 | 460 | 3 | S54 | B11.5 |
| 7.5 | 208/230 | 3 | S72 | B36 |
| 7.5 | 460 | 3 | S74 | B22 |
| 10 | 208/230 | 3 | S102 | B45 |
| 10 | 460 | 3 | S104 | B25 |
| 15 | 208/230 | 3 | S152 | B70 |
| 15 | 460 | 3 | S154 | B32 |
| 20 | 208/230 | 3 | S202 | CC87.7 |
| 20 | 460 | 3 | S204 | B40 |
| 25 | 208/230 | 3 | S252 | CC132 |
| 25 | 460 | 3 | S254 | B45 |
| 30 | 208/230 | 3 | S302 | CC143 |
| 30 | 460 | 3 | S304 | B56 |
