| 421 | Viking VK160 - Standard Response Dry Upright Sprinkler (K5.6) | |
| 422 | Viking VK4800 - Residential Flat Plate Concealed HSW Lead Free Sprinkler (K4.0) | |
| 423 | Viking VK480 - Residential Flat Plate Concealed HSW Sprinkler (K4.0) | |
| 424 | Viking VK498 - Freedom® Residential Concealed Pendent Sprinkler (K5.8) | |
| 425 | Viking VK494 - Residential Concealed Glass Bulb Pendent Sprinkler (K4.9) | |
| 426 | Viking VK496 - Freedom® Residential Concealed Glass Bulb Pendent Sprinkler (K3.0) | |
| 427 | Viking VK468-D - Residential Domed Concealed Pendent Sprinkler (K4.9) | |
| 428 | Viking VK4800 - Residential Flat Plate Concealed Horizontal Sidewall Lead Free Sprinkler (K4.0) | |
| 429 | Viking VK4840 - Residential Horizontal Sidewall Lead Free Sprinkler (K4.2) | |
| 430 | Viking VK4860 - Residential Horizontal Sidewall Lead Free Sprinkler (K4.0) | |
| 431 | Viking VK490 - Residential Concealed Horizontal Sidewall Sprinkler (K5.8) | |
| 432 | Viking VK480 - Residential Flat Plate Concealed Horizontal Sidewall Sprinkler (K4.0) | |
| 433 | Viking VK460 - Residential Horizontal Sidewall Sprinkler (K5.8) | |
| 434 | Viking VK484 - Residential Horizontal Sidewall Sprinkler (K4.2) | |
| 435 | Viking VK486 - Residential Horizontal Sidewall Sprinkler (K4.0) | |
| 436 | Viking VK479 Residential Horizontal Sidewall Sprinkler (K3.0) | |
| 437 | Viking VK449 Residential Dry Horizontal Sidewall Sprinkler (K4.0) | |
| 438 | Viking VK4660 - Residential Pendent Lead Free Sprinkler (K5.2) | |
| 439 | Viking VK4700 - Residential Pendent Lead Free Sprinkler (K3.0) | |
| 440 | Viking VK4680 - Residential Pendent Lead Free Sprinkler (K4.9) | |
| 441 | Viking VK458 - Residential Pendent Sprinkler (K7.4) | |
| 442 | Viking VK472 - Residential Pendent Sprinkler (K5.8) | |
| 443 | Viking VK466 - Residential Pendent Sprinkler (K5.2) | |
| 444 | Viking VK468 - Residential Pendent Sprinkler (K4.9) | |
| 445 | Viking VK430 - Residential Pendent Sprinkler (K4.3) | |
| 446 | Viking VK470 - Residential Pendent Sprinkler (K3.0) | |
| 447 | Viking VK4670 - Freedom® Residential Upright Lead Free Sprinkler (K4.9) | |
| 448 | Viking VK467 - Residential Upright Sprinkler (K4.9) | |
| 449 | Viking Model C-1 Window Sprinkler | |
| 450 | Viking VK960, VK962 Pendent Vertical Sidewall and Horizontal Sidewall (Specific Application) (K5.6) | |