| Horizontal Symbol | Vertical Symbol | Description |
 HPS11 |
 VPS11 |
Pressure Switch, Normally Open |
 HPS12 |
 VPS12 |
Pressure Switch, Normally Closed |
 HTS11 |
 VTS11 |
Temperature Switch, Normally Open |
 HTS12 |
 VTS12 |
Temperature Switch, Normally Closed |
 HPS21 |
 VPS21 |
2nd+ Pressure Normally Open Contact |
 HPS22 |
 VPS22 |
2nd+ Pressure Normally Closed Contact |
 HTS21 |
 VTS21 |
2nd+ Temperature Normally Open Contact |
 HTS22 |
 VTS22 |
2nd+ Temperature Normally Closed Contact |