Backflow Prevention Services

After-Hours and Weekend Emergency Services

Senior and Military Discounts available

One-Year Labor Warranty

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Protect Your Water Supply with Backflow Prevention

James A. Douglas Plumbing & Gas Fitting LLC specializes in comprehensive backflow prevention services in Prince George's and Anne Arundel Counties, MD. Our skilled technicians offer:


  • Backflow preventer installation, repair, replacement, recertification, and maintenance
  • Burst pipe repairs
  • Point-of-use water treatment
  • Pressure-reducing valve testing, installation, replacement, and repair
  • Whole-house system filtration


With over 17 years of experience, we are here to make sure your water system remains safe and compliant. Call or text us to schedule an assessment of your backflow prevention system.


Signs You May Need Backflow Prevention Services

Protecting your water supply is crucial for health and safety. Look out for these indicators that it's time to call James A. Douglas Plumbing & Gas Fitting:


  • Discolored or foul-smelling water
  • Fluctuating water pressure
  • Visible sediment in water
  • Recent plumbing work or renovations
  • Outdated or missing backflow devices
  • Annual inspection due


Don't risk contamination of your water supply. Reach out to our skilled, licensed team for expert backflow prevention solutions.


Safeguard Your Water System With Our Help

Proper backflow prevention is essential for maintaining clean, safe water. Here's why you should trust James A. Douglas Plumbing & Gas Fitting for your backflow needs:


  • Prevent contamination of drinking water
  • Ensure compliance with local regulations
  • Protect your plumbing system from damage
  • Maintain consistent water pressure
  • Avoid costly water emergencies
  • Get peace of mind about your family's health


Our experienced technicians are ready to assess and address your backflow prevention requirements. Get in touch to schedule a consultation.


Experience the James A. Douglas Difference

When you choose our family-owned business for your backflow prevention needs, you're selecting a team committed to excellence. Our customers appreciate:


  • Convenient scheduling options
  • Emergency services
  • Clean, professional technicians
  • Comprehensive manufacturer warranties
  • One-year labor warranty
  • Senior and military discounts


Experience the peace of mind that comes with expert backflow prevention services. Contact James A. Douglas Plumbing & Gas Fitting today.


Secure Your Water Supply Today

Don't wait until a problem arises with your water system. James A. Douglas Plumbing & Gas Fitting is your trusted partner for backflow prevention in Prince George's and Anne Arundel counties. Our team of licensed professionals is ready to assess, install, repair, or maintain your backflow prevention devices. Protect your home or business with our reliable, efficient services. Get more information to learn more about what our plumbers can do for you.

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All Work Backed by a One-Year Warranty
Providing plumbing and gas line services throughout Prince George's and Anne Arundel Counties, MD.
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Senior and Military Discounts Available
Discounts are available for senior citizens and U.S. military members.
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Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
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Financing Available
Don't let budget constraints keep you from needed repair work if your home has been damaged by a storm. We offer financing options for projects over $2,000 to help facilitate the necessary repairs.
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