Backflow preventers protect your home’s potable water from dangerous contamination.

Backflow Preventers. NH plumbers serving Portsmouth, Concord, Derry, Manchester areas.Protect your home’s fresh water supply and your family’s health with backflow preventers.

Irrigation systems, heating systems, pools and other plumbing devices can create serious situations. Some that can be harmful or even fatal to your family. Backflow prevention is crucial to prevent water contamination. Without a backflow prevention, unsafe water can potentially siphon or backflow into your fresh potable water supply. It is important backflow preventers are installed correctly. They need to be tested annually to ensure the devices are working properly.

Repair and installation of:

  • Installation of backflow preventers
  • Protect clean, potable water in your home


Schedule Service


FAST same day service, upfront pricing and clean, courteous technicians. Plumbing problems? Lose the wait! Why wait all day for service? Schedule an appointment that’s convenient for you. We’ll show up on time, listen to your needs, diagnose your situation, make recommendations and prepare pricing by the job, not by the hour, so there are no surprises. Our technicians will take great care of your home. They wear shoe covers, put down drop cloths, are trained to perform the work you need and will thoroughly clean up the work area. We follow up with a phone call to be sure you are satisfied. We stand by everything we do.

We’re here to help make your home plumbing problems go away. Just call Heritage – we’ll get it fixed today 1-800-977-4737.

Our home plumbing contractor services are 100% GUARANTEED. We back all our work with a written guarantee. If you’re not satisfied, we will come back and fix the job for FREE.