| Horizontal Symbol | Vertical Symbol | Description |
 HFS11 |
 VFS11 |
Flow Switch Normally Open |
 HFS12 |
 VFS12 |
Flow Switch Normally Closed |
 HFL11 |
 VFL11 |
Level Switch Normally Open |
 HFL12 |
 VFL12 |
Level Switch Normally Closed |
 HFS21 |
 VFS21 |
2nd+ Flow Normally Open Contact |
 HFS22 |
 VFS22 |
2nd+ Flow Normally Closed Contact |
 HFL21 |
 VFL21 |
2nd+ Level Normally Open Contact |
 HFL22 |
 VFL22 |
2nd+ Level Normally Closed Contact |