Model | Dial Size | Connection | Resettable |
20 | 2" | Back | No |
30 | 3" | Back | Yes |
31 | 3" | Bottom | Yes |
32 | 3" | Adjustable | Yes |
33 | 3" | Back | No |
34 | 3" | Bottom | No |
50 | 5" | Back | Yes |
51 | 5" | Bottom | Yes |
52 | 5" | Adjustable | Yes |
53 | 5" | Back | No |
54 | 5" | Bottom | No |