At PTT we are not just a testing center, but a training facility. Our main goal is to teach Plumbers about the importance of Backflow Prevention; to teach Plumbers how to properly test all types of BFPs. After your initial certification, we also provide continuing education towards recertification.

Backflow & Gasfitter Training Courses

Maryland • Virginia • WSSC • D.C. • Baltimore County

Backflow Certification

Backflow Recertification

Maryland Journeymen/
Master Gasfitter Training

Maryland Journeyman/
Master 2 PSIG Gasfitter Training

Maryland Journeyman/
Master Plumber & Gasfitter Prep for State Exam

ASSE Backflow Certification

ASSE Backflow Recertification

On-Site Training

On-Site training for 5 or more students. Backflow Prevention Cross Connection Classes only. Prices may vary. Contact us for more information.

New Locations

Delaware Facility
108 Carson Drive
Bear, DE 19701

Baltimore Facility
4501 Hollins Ferry Rd,
Suite 120, Halethorpe, MD