ARIZONA R37 Plumbing, including Solar License (AZ) Arizona plumbers with an R37 license operate independently on residential solar thermal systems, from initial design consultations through final inspections. Your credential grants legal authority to pull permits, size collectors and storage tanks, and sign off on completed installations?work that unlicensed technicians simply cannot perform in the state.
| Exam Name | ARIZONA R37 Plumbing, including Solar License |
| Exam Code | AZ |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
