Backflow Certification vs Recertification in Maryland: What’s the Difference?
Understanding the Difference Between Backflow Certification and Recertification If you’re a plumber or contractor in Maryland, you’ve likely heard about backflow certification and recertification. But what’s the real difference—and why does it matter? Whether you’re pursuing your ASSE backflow certification for the first time or renewing your credentials through backflow recertification courses, understanding these distinctions…