| 236 / | HD | AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION |
| * | | THERMOSTATIC {9} |
| 91 R | DF | .~> Hot and cold {7} |
| 92 R | DF | .~> With pressure control {4} |
| 93 R | DF | .~> In fluid controlled {2} |
| 94 | DF | .~> With indicator or alarm |
| * | DD | .~> Flue or heater attached {2} |
| 97 | DF | .~> Cooled element |
| 98 | DF | .~> Fluid transmission |
| 99 R | DF | .~> Expanding fluid {11} |
| 101 R | DF | .~> Expanding solid {8} |