How to prevent Backflow

How to Prevent Backflow and Protect Your Water Supply

Backflow is a serious issue that can contaminate your clean water with dirty, hazardous water from your home’s plumbing system. Whether it's caused by a sudden change in pressure or an improperly installed device, backflow poses a real health risk. That’s why preventing backflow should be a top priority for every homeowner or business owner.

In this blog, we’ll break down what backflow is, why it’s dangerous, and most importantly — how to prevent it.

💧 What Is Backflow?

Backflow occurs when water flows in the opposite direction than it’s supposed to. Instead of flowing out of your home through drains and pipes, water reverses direction and contaminates your clean water supply. This can happen when there’s a sudden drop in water pressure — like during a water main break or if a nearby hydrant is used.

Contaminants like pesticides, waste water, or cleaning chemicals can flow back into your drinking water lines, making it unsafe to use or consume.

⚠️ Why Is Backflow Dangerous?

Backflow can introduce a variety of pollutants into your home’s water supply, such as:

• Fertilizer and pesticides from lawn irrigation systems

• Wastewater from sinks, toilets, or dishwashers

• Chlorine or other chemicals from pools and hot tubs

• Bacteria and other microorganisms that can cause illness

Because of the potential health risks, local plumbing codes often require homes and businesses to have certified backflow prevention devices — and to test them annually.

✅ How to Prevent Backflow

Preventing backflow isn’t just about compliance — it’s about protecting your family’s health and your community’s water supply. Here are the top ways to prevent backflow:

1. Install a Backflow Prevention Device

A backflow prevention device (like a pressure vacuum breaker or double check valve) is installed on your water system to stop dirty water from re-entering your clean water lines. These devices are especially important for:

• Irrigation systems

• Pools and spas

• Commercial buildings

• Homes with multiple water sources

2. Schedule Annual Backflow Testing

Even the best backflow preventers can wear out over time. That’s why most municipalities require yearly testing by a licensed professional to ensure your system is still working properly. A certified plumber will test the device, make any needed repairs, and file the paperwork with your local water authority.

3. Avoid Cross-Connections

A cross-connection is any point where clean and contaminated water can mix. Prevent this by:

• Keeping garden hoses out of standing water or buckets

• Installing vacuum breakers on hose bibs

• Using air gaps (space between a water outlet and the flood level) in sinks and appliances

4. Maintain Your Plumbing System

Old, corroded pipes or poorly installed plumbing can increase the risk of backflow. Have your plumbing inspected regularly to ensure everything is up to code and functioning properly.

5. Work with a Licensed Plumber

Backflow prevention is not a DIY job. It involves precise installation, testing, and compliance with state and local regulations. Hiring a licensed and certified plumber ensures your system is safe, legal, and effective.

👨‍🔧 Need Backflow Prevention or Testing in Cincinnati?

At United Plumbing, we specialize in backflow prevention installation, annual testing, and repair. Our licensed team ensures your water supply is protected and your system meets all local requirements.

Schedule your backflow service today — and enjoy peace of mind knowing your water is safe.

📞 Call us now or book online for fast, reliable service in Cincinnati, OH.
+1 (283) 210-4896

How to keep Water Heater Clean

Ways to Keep Your Water Heater Clean and Prevent It from Going Bad

1. Regular Flushing
   Sediment buildup is the primary cause of water heater inefficiency and damage. Flushing the tank every 6 to 12 months removes accumulated minerals and debris.

2. Inspect and Replace the Anode Rod
   The anode rod attracts corrosive elements and protects the tank from rusting. Check it annually and replace it if it's heavily corroded or coated.

3. Check the Temperature Setting
   Keep the thermostat set at 120°F. Higher temperatures increase sediment buildup and pressure inside the tank, leading to quicker wear.

4. Test the Pressure Relief Valve
   This safety valve prevents excess pressure buildup. Test it at least once a year by lifting the lever and letting it snap back. Water should flow freely.

5. Insulate the Water Heater and Pipes
   Proper insulation helps maintain temperature and reduces strain on the heating elements, extending the heater’s lifespan.

6. Keep the Area Around the Heater Clean
   Dust and debris near the water heater can affect its efficiency or cause damage. Maintain a clean, unobstructed area around the unit.

7. Schedule Professional Maintenance
   Annual professional inspections can detect issues like leaks, corrosion, or faulty components early, preventing costly repairs or replacements.

By following these steps, you ensure optimal performance and prolong the life of your water heater.