CPDT Exam Information and Outline
Certified Plumbing Design Technician
Syllabus Update Checked on: November 10, 2026
CPDT Exam Syllabus & Study Guide
Before you start practicing with our exam simulator, it is essential to understand the
official CPDT exam objectives. This course outline serves as your roadmap.
The information below reflects the 2026 syllabus defined by
ASPE.
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
- Exam Format
- Computer-based multiple-choice examination
- Plumbing Fundamentals
- Units, math, hydraulics and fluid mechanics
- Plumbing terminology and symbols
- Codes and Standards
- Model plumbing codes (IPC, UPC), ADA and ASME/ASSE standards
- Sanitary Drainage and Vent Systems
- Drainage fixture units, pipe sizing and slope
- Venting methods and traps
- Domestic Water Systems
- Water supply fixture units, pressure and pipe sizing
- Domestic hot water systems and backflow prevention
- Storm Drainage
- Roof drains, sizing and secondary drainage
- Fuel Gas Systems
- Natural gas and propane pipe sizing
- Specialty Systems
- Fire protection basics, medical gas, pools and water treatment
- Plumbing Equipment and Fixtures
- Pumps, water heaters, interceptors and fixtures
- Drawings, Specifications and Coordination