The team at TJS Plumbing & Drainage are fully trained and qualified to handle new installations, servicing and maintenance of Reduced Pressure Zone Devices (RPZD), Double Check Valves (DCV) and Registered Air Gap (RAG) devices.
We’re also happy to advise on when and where these devices should be installed to keep your property compliant and safe. Proper installation and regular servicing are essential to protecting our water mains, and we take pride in helping keep our community flowing 💧


