What is a backflow preventer?

A backflow preventer is a type of plumbing device that is installed on your pipes to prevent backflow from contaminating your home’s potable water supply. Backflow preventers help keep your drinking water clean and your family healthy. 

The plumbers at Worley’s Home Services install residential backflow preventers for homeowners in Chesapeake, Virginia Beach, Norfolk, and the Newport News area, with specialized backflow prevention services in Yorktown to protect both historic and contemporary properties. We can help keep your family safe and healthy with professional backflow preventer installation and residential backflow testing services.

Our technicians are certified professionals, and we are a fully licensed and insured plumbing company.

What Is Backflow? 

Water should only move through your pipes in one direction—from the main water supply into your home and then out again. But pressure changes in your pipes can occasionally cause water to flow backward. This is dangerous because the water coming back into your home may have come in contact with contaminants like: 

  • Waste
  • Fertilizers 
  • Pesticides 
  • Chlorine

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Backflow preventers are designed to block any water that travels through your pipes in the wrong direction. You can think of a backflow preventer like a gate inside your pipes and only moves away from your home. The backflow preventer opens in one direction to let water move freely in the correct direction, but it will not open in the opposite direction, preventing water from moving backward.   


Do I Need a Backflow Preventer?

Most homes are not legally required to have a backflow preventer, though some municipalities do require them. Regardless of whether local code necessitates it, however, we recommend installing a residential backflow preventer in any location that cross-contamination between incoming drinking water and wastewater could occur. Residential backflow devices should also be installed at homes that have a well or an irrigation system.

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I made a call today and Bryce showed up within hours of my call. He was very polite and explained what was happening. Worley’s to the rescue again! ! Thanks for all you’ve done for me. It’s a comfort to know you’re only a phone call away. I would recommend you to everyone I know.

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Worleys service tech, Hunter Pitts, was very professional and straightforward explaining the options, technical issues, the pros and cons for the job I requested to be done. The estimate for the job was fair when I compared it to previous ones I gathered. As a result I felt confident I could make a smart choice of which contractor I should hire for the job. I ultimately chose Worleys.

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Austin was exceptionally knowledgeable and friendly. He made sure I was understanding all that the service entailed and what was available to me. Very likable young man. You should be proud to have him working for you and representing your company.