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FREQUENTLY ASKED QUESTIONS

Q: How can I tell if my pool is leaking or if the water loss is just normal evaporation?

A: Try the bucket test to determine if water loss is due to evaporation or a leak.

Q: How should I choose a leak detection specialist?

A: Technology that allows an experienced leak specialist to isolate the area of a leak can save an average consumer hundreds of dollars in needless hit and miss digging. Unfortunately, many consumers still have to bear costs associated with search and destroy methods when they call service men that have no modern leak detection equipment or no modern leak detection skills. To avoid needless damage to your property and other unnecessary costs, here are some things you should look for when choosing a leak detection company:

  • Experience and Resources. We suggest that you determine what kind of experience the firm has in leak detection. How many years have they been in business as a leak detection company? Are they associated with any organization that provides continuing research and development regarding leak detection technology and techniques? What is the “depth” of the organization-what if the guy you are talking to can’t find your leak, is there another level to go to for a “troubleshooter”? Is there a real “business operation” or is the company one guy with an answering machine and a cellular phone who may or may not choose to call you back if there’s a problem? We are the only leak detection company in the area that is affiliated with an international franchise system. American Leak Detection is the recognized as one of the world leaders in non-invasive location of concealed leaks. Beginning in 1974, there are more than 290 franchise territories in 37 states and 13 countries. A significant portion of our royalties is invested in research and development, insuring that state-of-the-art technology is being used to solve your problem.
    • Locally, we have been in business since 1988, providing you with 29 years of experience. We have a staff of nine highly trained technicians on staff, all of which have been with us from four years to 29 years. No one else in the area provides this depth of expertise.
  • Guarantee. What if they cannot find the leak? What if they mark the leak in the wrong place? Will they stand by their work and come back? In the business where leaks are mostly concealed, a guarantee is truly comforting.
  • Flat Rate Pricing. An efficient leak detection firm will provide a flat rate price for most residential jobs. This means that whether it takes one hour or five hours or even multiple trips to find your leak, they will charge the same rate. Conversely, an hourly rate scenario with an inexperienced technician can set you up for a very large invoice.
  • Licenses, Bonding, and Insurance. Check with your County Contractors Licensing Bureau to confirm that the company is licensed to work in your County. Consider whether they have a Contractors license or just an occupational license. Have you confirmed that the company is bonded? Can they provide you with a certificate of insurance for both workers compensation and liability insurance and are the dollar limits adequate to protect you and your assets?
  • Equipment. Make sure the company you choose uses modern electronic leak detection instruments. Simply placing an ear or stethoscope to the floor just does not cut it today.
  • Referral. Be sure to contact your insurance company if you believe you have a leak in your home. Many insurance companies have a leak detection specialist they trust and have relied on for many of their claims. Also, there is a chance your insurance company will pay for the leak detection charges. Another good source of information for an experienced specialist is your property management company.
    Please contact the Better Business Bureau. In 21 years we have never had a customer complaint that was unresolved and we have an A+ rating. Also, out of the 290 franchise territories, our local office holds more customer service awards than any other franchisee.

In the unfortunate event that you experience a leak problem, it can be critical to both your pocketbook and your long-term property value that you take the right steps to solve your problem. No one wants to pay excessive fees or incur the property damage that results from having the wrong people on the job.

Q: Before I bring in a leak specialist to find a leak in my home, aren’t there some steps that I can take to try and find the problem myself?

A: The following list includes some pointers we often share with home and building owners who want to do some leak hunting of their own. These tidbits apply primarily to leak search areas that do not require advanced electronic leak detection tools and years of experience using them.

  • To check for toilet leaks: Place a dye tablet, food coloring, milk, half and half, or milk of magnesia into a toilet tank full of water. Wait for a few minutes to see if it seeps down into the bowl area. If it does, you will need to repair or replace the flapper valve.
  • If you have a two-piece toilet (separate tank and bowl), take some toilet paper and work it into the open area between the tank and the bowl. Check for water prior to and after flushing. If it is dry prior to flushing, recheck again after flushing. If it is wet, this will confirm a leak occurs during the flushing cycle.
  • Turn on all of the faucets, one by one. While the water is running, move the faucet handle back and forth. Look for water leakage around the valve stem and faucet spout. Check your outside hose bibs too.
  • When checking the faucets, be sure to look at the drain piping under the sink as water flows through the drainpipes.
  • If you have lever operated water-stopping devices (plugs) in sinks and tubs, work them open and closed while the water is running. Look for leaks in these movable parts where they connect to the drain system.
  • Be sure to run the dishwasher and garbage disposal and check for visible leaks during usage.
  • Look at walls where pipes stick out. Look for discoloration, moisture, and sponginess.
  • Hopefully, the water heater is equipped with a safety relief valve (known as a temperature/pressure valve). Be sure to check the exit end of the valve or valve piping for leaks or drips. If the valve is equipped with a hand operated check lever, flush the valve for a few seconds ONLY if it is piped to a safe area that will not run water onto floors or walls. The valve should not leak. If it does, replace it.

Q: I recently noticed a consistent flow of bubbles coming through the return pipe to my pool. What is causing this to occur?

A: We receive a lot of phone calls asking the same question. In most cases, a pool or spa owner has checked all of his or her pool equipment and even had a pool service technician do the same. Even after tightening every visible screw and lubricating all of the obvious seals, the bubbles continue to flow through the return lines. So what might be happening?

In most cases, air is getting into the system at some point that just might not be discernable to most homeowners or even pool service men. For example, there may be a leak on an underground suction line. As the pump draws water from the pool through this line, it also draws air through the leak. Without x-ray vision, homeowners and most pool service companies cannot detect this kind of leak. It takes specialized testing with modern leak detection equipment, something a good leak detection company can perform.

Besides underground leaks that allow air intrusion into the system, there may even be leaks on above ground equipment that cannot be detected without modern leak detection methods.

There is one other possibility that is not leak related. Sometimes the impeller inside the pump becomes so worn that it actually spins too fast. As a result, the impeller can end up spinning fast enough to break apart water molecules and form air bubbles to be sent through the return lines.

Q: I recently called on a service company to search for a leak in my hot and cold water lines. The technician came to my house and spent only about five minutes looking for the leak. Then he said I should have my home totally repiped instead of having the leak found and fixed. Apparently the plumbing is so corroded that it is not worth the headache of fixing. Is this good advice?

A: While it is true that plumbing can deteriorate with time, we do not generally recommend replacing all of the plumbing in your home due to the cost. When you talk about repiping a home, you have to consider that you will spend a considerable amount of money on the repipe work alone. In addition to the cost of the repipe, there is additional expense associated with the restoration work that is required on the walls that the pipes are plumbed in and through. Locating and repairing the leak is more typically around $1,000, much less than a repipe.

There are occasions when a full repipe is a good choice. For instance, we would strongly consider a repipe if there had been several leaks on the same line in a short period of time. The objective of quality leak detection is to identify the problem first and proceed to choose the best, most cost effective, and least destructive repair method.

If you want to make the best choice, you should have all of your options before you. What if the leak is outside the home? By taking incomplete advice, you might pay for a repipe of the indoor plumbing and still have the leak problem. If a company is not willing to provide you with accurate, valid information about the leak location and some reasonable repair offers, you should be concerned with the soundness of their advice.

Q: I have a large pond in my back yard that I think is causing my high water bill. Can it be tested for leaks?

A: Absolutely. Modern leak detection technology has made it possible to test even large water holding structures such as ponds and fountains. Not every company is equipped or experienced enough to handle large pond leak detection work, but there are companies out there that specialize in this kind of work.

Depending on the amount of water loss, the size of the recirculating system, and the condition of the pond interior, a good leak detection company should be able to give you a summary of all the work involved and a reasonable estimate for the leak detection.

Q: Over the past few days, I have noticed a “humming” noise that seems to be coming from the pipes under my bathroom sink. Does this indicate a leak of some sort?

A: Usually yes. A “humming” sound coming from a water pipe is often a good indication of water loss occurring somewhere along the piping system. This can occur in two ways: Loss through a fixture or outlet (i.e. faucet or leaky toilet) or loss through an actual leakage point along the line.

It is pretty easy to understand the way a running fixture makes noise on pipes. Water flows at a rapid rate through the line and causes the pipe to vibrate as the water leaves the outlet. Also, friction created by the water flow against the inside of the pipe sends vibrations that can be detected by the human ear.

The sound created by a leak in the pipe itself is a little more complex to understand. Essentially, the humming sound created by a leak in the pipe is driven by a pressure difference between the water inside the pipe and the ambient atmospheric pressure around the pipe.

When a leak develops in a pipe, a pressure loss occurs in the pipe at the leak site as the pressure in the pipe tries to equalize with the pressure outside the pipe. This pressure loss creates pressure waves that travel in both directions down the pipe and away from the leak. We call this “leak energy.”

In most cases, the human ear alone cannot hear this leak energy. It takes electronic leak detection tools that amplify selected sounds. If you can hear the leak energy without equipment, there is a good chance the leak is close by or has developed in size enough to be quite loud.

If the humming sound you hear is not from flow or a leak in the pipe, a contact point between the pipe and a vibrating appliance or machine such as a refrigerator or air conditioning unit could also cause it.

In any of the cases mentioned above, you can save some time and money by taking a look around your home for some obvious clues. Double-check all of your interior faucets and toilets. Check outside hose bibs and valves, too. If you don’t find anything, you may need to call a leak detection specialist to perform further investigation with specialized electronic equipment and professional experience.

To learn about our leak detection services for your home, call (561) 948-5003 today!
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