| << Click to Display Table of Contents >> Pipes |     | 

The Pipes category on the Replacer screen is where you can change the current pipe-and-connector combination for multiple inverts.

Tables and Buttons
| In-Use Table | The In-Use table shows the currently used pipe-and-connector combinations. This is where you select any pipe-and-connector combination you want to change. 
 | 
| Replacement Lists | The replacement lists show the pipe type, pipe diameter, and connector choices that can be used as the replacement as the pipe-and-connector combination. | 
| Structures List | The selected structures (with the checkmark) will be the ones affected by the replacement operation. | 
| 
 | Clicking the Replace button executes the replacement operation. | 
To Make the Substitution
| 1. | Select the pipe-and-connector combination that's currently in use, shown in the In-Use table. | 
| 2. | Select the replacement pipe-and-connector from the lists at the top of the panel (starting with the list on the left). | 
| 3. | Select the structure(s) to be changed in the Structures panel. | 
| 4. | Click the Replace button. | 
| 5. | Click the Stack-All Now button to restack the changed structures. | 
See Replacer for details about alerts and how to resolve them.