Is your home protected? find out if a backflow preventer is required now!
What To Know
- If the water source is contaminated, a backflow preventer can help prevent the contamination from spreading to the clean water supply.
- Installing a backflow preventer is a job that should be done by a qualified plumber.
- Installing a backflow preventer is a job that should be done by a qualified plumber.
Backflow preventers are essential devices that protect our water supply from contamination. They prevent contaminated water from flowing back into the clean water supply, which can pose serious health risks. In many areas, backflow preventers are required by law. But when is a backflow preventer required, and what are the consequences of not having one?
When is a Backflow Preventer Required?
Backflow preventers are required in a variety of situations, including:
- Cross-connections: A cross-connection is any point where a potential source of contamination can connect to the clean water supply. Common cross-connections include hoses, sprinklers, and water fountains.
- Low-pressure zones: When the water pressure in a pipe drops below a certain level, backflow can occur. This can happen during power outages, water main breaks, or when there is a high demand for water.
- Contaminated water sources: If the water source is contaminated, a backflow preventer can help prevent the contamination from spreading to the clean water supply.
Types of Backflow Preventers
There are a variety of backflow preventers available, each with its own advantages and disadvantages. The most common types of backflow preventers include:
- Double check valves: Double check valves are the most common type of backflow preventer. They have two check valves in series, which means that water can only flow in one direction.
- Reduced pressure zone backflow preventers: Reduced pressure zone backflow preventers create a low-pressure zone between the check valves. This prevents backflow even if the water pressure drops.
- Atmospheric vacuum breakers: Atmospheric vacuum breakers allow air to enter the pipe when the water pressure drops. This prevents backflow by creating a vacuum in the pipe.
Consequences of Not Having a Backflow Preventer
Not having a backflow preventer can have serious consequences, including:
- Contamination of the water supply: Backflow can contaminate the water supply with harmful bacteria, viruses, and chemicals. This can lead to illness, disease, and even death.
- Property damage: Backflow can cause property damage by flooding, erosion, and corrosion.
- Legal liability: If you do not have a backflow preventer and your property causes contamination of the water supply, you may be held legally liable.
How to Install a Backflow Preventer
Installing a backflow preventer is a job that should be done by a qualified plumber. However, there are a few things you can do to prepare for the installation:
- Identify the cross-connections: Determine where the potential cross-connections are on your property.
- Choose the right backflow preventer: Select the type of backflow preventer that is right for your needs.
- Locate the installation point: Find a suitable location for the backflow preventer.
Backflow Preventer Maintenance
Backflow preventers require regular maintenance to ensure that they are working properly. Maintenance typically includes:
- Testing: Backflow preventers should be tested annually by a qualified plumber.
- Inspection: Backflow preventers should be inspected regularly for signs of wear and tear.
- Repair: Any damaged or malfunctioning backflow preventers should be repaired or replaced immediately.
The Bottom Line: Ensuring a Safe Water Supply
Backflow preventers are essential devices that protect our water supply from contamination. They are required by law in many areas, and they should be installed and maintained by qualified professionals. By following these guidelines, you can help ensure that your water supply is safe and clean.
Frequently Asked Questions
Q: What is the most common type of backflow preventer?
A: Double check valves are the most common type of backflow preventer.
Q: What are the consequences of not having a backflow preventer?
A: Not having a backflow preventer can lead to contamination of the water supply, property damage, and legal liability.
Q: How often should backflow preventers be tested?
A: Backflow preventers should be tested annually by a qualified plumber.
Q: What are some signs of a damaged backflow preventer?
A: Signs of a damaged backflow preventer include leaks, corrosion, and wear and tear.
Q: Can I install a backflow preventer myself?
A: Installing a backflow preventer is a job that should be done by a qualified plumber.
