| 481 | Viking VK617 - Microfast® EC/QREC Light Hazard ELO Fusible Element Pendent Spk (K11.2) | |
| 482 | Viking VK537 - EC/QREC Ordinary Hazard ELO Fusible Element Pendent Sprinkler (K11.2) | |
| 483 | Viking VK535 - EC/QREC Ordinary Hazard ELO Fusible Element Upright Sprinklers (K11.2) | |
| 484 | Viking VK603 - QREC Fusible Element Pendent Sprinkler (K 8.0) | |
| 485 | Viking VK613 - Microfast® HP EC/QREC Fusible Element Horizontal Sidewall Sprinkler (K5.6) | |
| 486 | Viking VK609 - Microfast® EC/QREC Fusible Element Horizontal SidewallSprinkler (K5.6) | |
| 487 | Viking VK611 - Microfast® HP EC/QREC Fusible Element Pendent Sprinkler (K5.6) | |
| 488 | Viking VK601 - QREC Fusible Element Pendent Sprinkler (K5.6) | |
| 489 | Viking VK680 - QREC Concealed Horizontal Sidewall Sprinkler (K8.0) | |
| 490 | Viking VK638-D - QREC Concealed Horizontal Sidewall Sprinkler (K8.0) | |
| 491 | Viking VK638 - "Corridor Sprinkler" - QREC Horizontal Sidewall Sprinkler (K8.0) | |
| 492 | Viking VK630-D - QREC Concealed Horizontal Sidewall Sprinkler (K8.0) | |
| 493 | Viking VK630 - QREC Horizontal Sidewall Sprinkler (K8.0) | |
| 494 | Viking VK612 - Microfast® HP EC/QREC Horizontal Sidewall Sprinklers (K5.6) | |
| 495 | Viking VK605 - Microfast® EC/QREC Horizontal Sidewall Sprinkler (K5.6) | |
| 496 | Viking VK572 - EC/QREC Ordinary Hazard Pendent Spk (K14.0) | |
| 497 | Viking VK570 - EC/QREC Ordinary Hazard Upright Spk (K14.0) | |
| 498 | Viking VK538 - Mirage EC/QREC OH-ELO Concealed Pendent Sprinkler (K11.2) | |
| 499 | Viking VK636 - Mirage QREC Light Hazard ELO Concealed Pendent Sprinkler (K11.2) | |
| 500 | Viking VK608 - EC/QREC Light Hazard Extra-Large Orifice Pendent Sprinkler (K11.2) | |
| 501 | Viking VK534 - EC/QREC Pendent Sprinkler (K11.2) | |
| 502 | Viking VK532 - EC/QREC Upright Sprinkler (K11.2) | |
| 503 | Viking VK602 - Microfast® EC/QREC Pendent Sprinkler (K8.0) | |
| 504 | Viking VK632, VK634 - Mirage® QREC Concealed Pendent Sprinklers (5.6 and 8.0 K Factor) | |
| 505 | Viking VK610 - Microfast® SR/QREC Pendent HP Sprinkler (K5.6) | |
| 506 | Viking VK600 - Microfast® EC/QREC Pendent Sprinkler (K5.6) | |
| 507 | Viking VK353 - Microfast® Quick Response Fusible Element Pendent Sprinkler (K8.0) | |
| 508 | Viking VK355 - Microfast® Quick Response Fusible Element Conventional Sprinkler (K8.0) | |
| 509 | Viking VK351 - Microfast® Quick Response Fusible Element Upright Sprinkler (K8.0) | |
| 510 | Viking VK309 - Microfast® Quick Response Fusible Element Vertical Sidewall Sprinkler (K5.6) | |