AZ C-37 Plumbing (Commercial) (CR-37) The CR-37 splits into two distinct sections written component covering code compliance, system design, and troubleshooting scenarios, followed by practical station-based assessment where you’ll size piping systems, interpret blueprints, and demonstrate proper installation techniques. This dual structure ensures evaluators see both your theoretical foundation and hands-on execution in commercial plumbing environments.
| Exam Name | AZ C-37 Plumbing (Commercial) |
| Exam Code | CR-37 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |


