Backflow assemblydiagram

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If you like the water produced by your Reverse Osmosis drinking water system at your kitchen tap, wouldn’t it make sense to install a whole house Reverse Osmosis system?

In fact, there are a lot of factors to consider when deciding which filtration method or system is right for you, including:

A whole house reverse system might be the right solution when you have a high level of a specific contaminant that is most economically removed by reverse osmosis.

No, per Charlotte Water ordinance, the correct backflow preventer for irrigation must now be an RP(Reduced Pressure Principle Assembly). This applies to new installation and replacing a backflow on an irrigation system.

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It is due the same time each year unless a deferment is granted. We check the last time it was tested and provide that information in the annual “Test Letter.” We can provide that to the customer by phone.

More Equipment Needed: A whole-house RO system can rarely be installed alone. Proper pre and post treatment are often necessary for the delicate RO membranes to function properly. For example, 85% of homes in the U.S. have water that is high in calcium and water should be filtered before entering RO unit.

Reverse Osmosis has its place in the water filtration and purification realm. But when it comes to whole-house water filtration, whole-house RO systems typically are not the best solution when looking for a way to have better water in a home.

Yes, a licensed plumber is required per the N.C. Plumbing Board. You should hire a licensed plumber or professional who has expertise in repairing backflows.

Charlotte Water does not set pricing for backflow assembly testing. Customers need to ask individual vendors what their charge is for testing their backflow assembly.

For a cost-effective whole house water filtration and purification solution, we recommend purchasing a UV water disinfection system (to protect all your water from illness-causing microbes) AND a reverse osmosis (RO) drinking water system. If you have hard water in your home, you'll need to add a water softener to this lineup.

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Treating water with Ultraviolet (UV) light is one of the MOST effective ways to treat waterborne microorganisms, such as bacteria and viruses...Read More>

BackflowSydney Water

I have a building project under construction and just had my backflow tested, however, I still have a project hold, did I do something wrong?

High Water Bills: Large RO systems use a LOT of water--roughly two gallons are needed to create one gallon of filtered water. So, you can expect your water bill to double when a whole house reverse osmosis system is installed.

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The Plat date determines if you qualify. The property must be platted prior to 2009. Research and provide the information with the Meter Deferment application.

Annual testing is still required until a licensed plumber has capped off your water service at the connection and removed the backflow prevention assembly. An inspection by a Charlotte Water Backflow inspector is required.

Charlotte Water only performs an initial installation inspection and any follow-up required. It is the responsibility of the water customer to get the backflow assembly tested. For a list of approved testers, please see a list on our website.

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We'll provide concise information about why we don't generally recommend whole house reverse osmosis and give alternative suggestions.

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Backflow assemblytest

1. Whole House Ultraviolet System: A UV system will disinfect your water from 99.99% of microorganisms including E. Coli, giardia, crypto, viruses, and bacteria. This ensures all the water entering your home is microbiologically safe for showering, drinking, and brushing teeth. UV is generally inexpensive yet gives much peace of mind. We often recommend a compact "combo system" that integrates a sediment and carbon filter with the UV system, such as the Viqua Arros 15-IHS22 water treatment system.

The meter and backflow were installed, and the installer left the meter cover open, so I wanted to know do we close it or is somebody else coming back to close it?

I understand backflows are for high hazard facilities such has hospitals and mortuaries, however, why do I need one on my residential irrigation system?

Backflow AssemblyTester

If you received a letter from Charlotte Water about a backflow prevention assembly test, it is because our records show that your backflow prevention device needs to be tested soon. Approved testers send their results to CLTWater and the letter is generated based on when the next reminder is due. Please have your backflow prevention device tested annually to reduce the risk water quality concerns.

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A backflow inspection is an onsite visit by a Charlotte Water Backflow Inspector, making sure the assembly is installed properly.  A backflow test is to make sure the assembly with working properly. Charlotte Water does not perform backflow tests for its customers.

High-quality, proven reverse osmsosis (RO) filtration system. Produces 50 gallons per day of great-tasting drinking water. Removes common pollutants in water, including nitrates, lead, pesticides, sulfates, fluoride, Arsenic V, PFOS, and more. Made in the U.S.A.

Space Requirements: Whole-house RO systems usually require a massive 200-500 gallon storage tank to hold treated water. And many times, an additional pretreatment tank is needed! Most homes don't have that much extra space in a garage or well house to hold these tanks.

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Cost of System: A whole house Reverse Osmosis system is expensive --typically costing about $3000. That price does not include the required pre and post treatment equipment, storage tank and more. While the idea of reverse osmosis for the whole home RO system sounds good, it really can be cost prohibitive.

As we move into the summer months, it’s good to know how different aspects of your yard and lawn maintenance can impact our water system.

A whole-house reverse osmosis system is recommended only when there is a very specific contaminant that needs to be addressed through reverse osmosis technology.

2. Pair the above UV system with an under counter Reverse Osmosis System at the Kitchen Sink. A reverse osmosis drinking water system installed at the kitchen sink can provide healthy, delicious water for drinking and cooking. This is a more economical way to enjoy all the benefits of a reverse osmosis water system. One of our top-selling reverse osmosis under-sink systems is the Microline TFC-400-ESP Reverse Osmosis drinking water system

It is the responsibility of the water customer to know the location of the backflow prevention assembly for their water system. Charlotte Water has locations based on initial inspection details.

Yes, please contact the Mecklenburg County Code Enforcement at (980)314-2633, You will also need to complete a backflow service application.

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Expensive Maintenance: Whole-house Reverse Osmosis systems require professional installation and ongoing maintenance. Each year the system needs new filter replacements, whole-system sanitization, and more.

Consult with a local water treatment professional to determine if a reverse osmosis water filter system whole house is the best solution to treat a specific contaminant. Whole house reverse osmosis might be the right solution for your needs, but it's important to understand the overall drawbacks before installing.

For questions about what system will provide the best water for your home, please call our team of water experts Monday through Friday, 8 am to 5 pm CT, at (877)377-9876. They'll talk you through a variety of options to help you determine which systems best meet your needs.

What's the difference between an “Air Gap” faucet and a “Non-Air Gap” faucet? Which one should you use with your reverse osmosis filter system?Read More>

14 Nov 2019 — Pressure reducing valves are devices installed on the main water line which actively reduce the pressure of water travelling into your home.

Answer a few questions, and we'll provide a personalized recommendation for the water filter system that will work best for you.Get Advice>

Irrigation systems can encounter contact with fertilizer, pesticides, and feces, which are high hazards.  A Reduced Pressure Principle Assembly (RP) backflow is used for high hazards.

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I have a double check valve assembly (DCVA) backflow that needs replacing for my lawn irrigation system, can I replace it with another DCVA?

Before purchasing a UV water disinfection system, we suggest considering the following recommendations to get the best results.Read More>

In addition to the above-mentioned recommendations, if you have high levels of water hardness, you may also need to install a water softener to remove calcium and magnesium that make water hard. Hard water can cause scale to buildup in your hot water heater, pipes, and water-using appliances.

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You need to contact the backflow inspections department at (704)391-5188 and see if there are additional holds for a backflow inspection.  Inspector needs to ensure the installation of the backflow. Ten days after the backflow inspection the backflow assembly needs to be tested by a Charlotte Water Backflow Approved Tester.

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Yes, please contact Charlotte Water for a deferment on the testing date. We recommend you have your assembly tested in the spring once the irrigation system is reactivated following winterization.

This is an important step to protect the drinking water supply in your neighborhood. A backflow prevention device ​prevents hazardous substances (i.e. chemicals used for lawn improvement or soil borne bacteria and parasites) from inadvertently being drawn into the drinking water system and contaminating it.

If your home has an irrigation system, it is required to also have a backflow prevention assembly. A backflow prevention assembly is typically part of an irrigation system or commercial property.

How to have enough clean water for survival, disaster relief, emergency preparedness, camping, and food storage programs.Read More>

Is reverse osmosis filtered water worth it? Are RO replacement filters expensive? Let's explore the pros and cons of Reverse Osmosis filtration.Read More>

Unnecessary Filtering: Since the majority of the water used in our homes is NOT consumed for drinking, but used for flushing toilets and bathing, it’s typically not necessary to have high-quality "RO filtered water" for your entire home.