# P-Trap

Plumbing Copilot supports Revit p-trap families that meet specific criteria to ensure compatibility with the routing process. The supported p-traps must exhibit the following behaviors:

1. **Nominal Radius Parameter**
   * The P-Trap must have a **Nominal Radius** parameter that accepts values greater than 0.
2. **Auto-sizing Capability**
   * The P-Trap must have the functionality to be **auto sized by Revit** automatically
