| These units feature dual hairpin elements to provide several heated lenghts in the same housing. | ||||
| Drawing # 10-1426 | ||||
| Dimensions (Inches) | ||||
| A Overall Length | B Heated Length | Voltage | Total Watts | Catalog Number |
| 25-1/2 | 17-1/2 | 120 or 240 | 1600 | UD-FR-22 |
| 28-5/8 | 20-5/8 | 120 or 240 | 1900 | UD-FR-32 |
| 31-3/4 | 23-3/4 | 120 or 240 | 2200 | UD-FR-33 |
| 36-9/16 | 28-9/16 | 240 Only | 2600 | UD-FR-42 |
| 39-11/16 | 31-11/16 | 240 Only | 2900 | UD-FR-43 |
| 47-9/16 | 39-9/16 | 240 Only | 3600 | UD-FR-44 |
| 44 | 36 | 240 Only | 3300 | UD-FR-52 |
| 47-1/8 | 39-1/8 | 240 Only | 3600 | UD-FR-53 |
| 55-1/16 | 47-1/16 | 240 Only | 4300 | UD-FR-54 |
| 62-7/16 | 58-7/16 | 240 or 480 | 5000 | UD-FR-55 |
| 50 | 42 | 240 Only | 3800 | UD-FR-62 |
| 53-1/8 | 45-1/8 | 240 Only | 4100 | UD-FR-63 |
| 61-1/16 | 53-1/16 | 240 Only | 4800 | UD-FR-64 |
| 68-1/8 | 60-1/8 | 240 or 480 | 5500 | UD-FR-65 |