Viqua Arros UV Lamp Selection Guide
The Viqua Arros UV systems come in three different sized models: the Arros 9, Arros 15, and Arros 22. Each of these three systems has a unique replacement lamp. The following chart shows the system model name, corresponding replacement lamp number, and the length of the steel chamber for each system. If you have any doubt about which replacement lamp you need, please use the steel chamber length as your primary guide:
| Model Name | System Chamber Length | Replacement Lamp |
| Arros 9 | 11.2" | VA09LU |
| Arros 15 | 16.5" | VA15LU |
| Arros 22 | 22.5" | VA22LU |
Viqua Arros Chamber Length
The "chamber length" for a Viqua Arros system is shown in the image below. Use this chamber length as a double-check to know if you're ordering the correct Viqua Arros replacement lamp.
