Electrical Specifications
| Testing Voltage | 13 +/- 0.28 | |
| High Pressure | Switching Off Pressure (with rising pressure) | 30. +/- 1.8 |
| Switching On Pressure (with rising pressure) | 21.0 +/- 1.8 | |
| Medium Pressure | Switching Off Pressure | 15.0 +/- 1.5 |
| Switching On Pressure (with rising pressure) | 18.0 +/- 1.5 | |
| Low Pressure | Switching Off Pressure | 1.5 Note: at least |
| Switching On Pressure (with rising pressure) | 2.6 Note: Max | |
| Operating Pressure | 2 - 35 |