| 451 | Viking VK650, VK651 QREC Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers (K5.6) | |
| 452 | Viking VK426, VK427 Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers (K5.6) | |
| 453 | Viking VK901 - Microfast COIN QR Upright Fusible Element Sprinkler (Specific Application) (K4.2) | |
| 454 | Viking VK900 - Microfast COIN QR Upright Sprinkler (Specific Application) (K4.2) | |
| 455 | Viking VK950 - COIN® Quick Response Upright Sprinkler (Specific Application) (K5.6) | |
| 456 | Viking VK696 - Attic Upright Specific Application Sprinkler (4.2K) | |
| 457 | Viking VK697 - Attic Upright Specific Application Sprinkler (5.6K) | |
| 458 | Viking VK660 - Model V-HIP Specific Application Attic Sprinkler | |
| 459 | Viking VK690 - Model V-EP Specific Application Attic Sprinkler | |
| 460 | Viking Model V-SD (Single Directional) Specific Application Attic Sprinkler | |
| 461 | Viking Model V-BB (Back to Back) Specific Application Attic Sprinkler | |
| 462 | Viking Intermediate Level In-Rack Sprinkler Models | |
| 463 | Viking VK598 - Upright Sprinkler (Storage-Specific Application) (K25.2) | |
| 464 | Viking VK592 - Standard Response CMSA Pendent Sprinkler (K19.6) | |
| 465 | Viking VK540 - Standard Response High Challenge® Upright Sprinkler CMSA (K11.2) | |
| 466 | Viking VK514 - ESFR Pendent Sprinkler (K28) | |
| 467 | Viking VK512 - ESFR Dry Pendent Sprinkler (K25.2) | |
| 468 | Viking VK510 - ESFR Pendent Sprinkler (K25) | |
| 469 | Viking VK506 - ESFR Pendent Sprinkler (K22) | |
| 470 | Viking VK504 - ESFR Dry Pendent Sprinkler (K16.8) | |
| 471 | Viking VK503 - ESFR Pendent Sprinkler (K17) | |
| 472 | Viking VK502 - ESFR Dry Pendent Sprinkler (K14) | |
| 473 | Viking VK500 - ESFR Pendent Sprinkler (K14) | |
| 474 | Viking VK520 - ESFR Upright Sprinkler (K14) | |
| 475 | Viking VK595 - Extended Coverage Upright Sprinkler (CMDA/CMSA) (K25.2) | |
| 476 | Viking VK580 - Upright Sprinkler (Storage-Density/Area) (K16.8) | |
| 477 | Viking VK536 - ELO Pendent Sprinkler (Storage-Density/Area) (K11.2) | |
| 478 | Viking VK533 - QR ELO Fusible Element Upright Sprinkler (Storage-Density/Area) (K11.2) | |
| 479 | Viking VK531 - QR ELO Upright Sprinkler (Storage-Density/Area) (K11.2) | |
| 480 | Viking VK530 - ELO Upright Sprinkler (Storage-Density/Area) (K11.2) | |