| Manufacturer | SybronEndo / Kerr |
|---|---|
| Type | Heat source (downpack) |
| Tips | Buchanan pluggers 04–12 |
Originally developed by L. Stephen Buchanan, System B popularized the continuous-wave compaction technique: a single downpack with a heated plugger carries GP softly apically, followed by backfill. Current-generation cordless versions (Elements Free, Fast Pack) retain the original protocol.