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Old 03-03-2011, 08:17 PM   #1
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Water Flow Alarm Valve


I am looking for an system that will shut the water off if there is a leak. I have seen a few that have sensors you place at each water using device. However I found one that monitors for abnormal flow. It is pretty expensive though:

http://www.flologic.com/Automatic-Wa...ff-System.html

Are there any other systems like this that are cheaper?

Thanks!!

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Old 03-04-2011, 07:34 AM   #2
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Water Flow Alarm Valve


I did not open the link, but I would think it difficult to monitor abnormal flow. When a faucet is full open, it is full open, when does this gadget consider it abnormal???

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Old 03-04-2011, 08:17 AM   #3
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Water Flow Alarm Valve


Fire suppression systems (water) in industrial or commercial buildings do have water flow vane switches in the supply loop so the the local alarm service will know there is a problem and yes, they are expensive. You should be able to get one from a plumbing supply house. They are adjustable for flow sensitivity from full on down to a cup a minute, but they won't do much for a small leak. What you should probably look for is a small dampness detector you place on the floor just below a water fixture. It will scream if it detects a dime size puddle of water. Then if you are an electro-geek you can build up the circuit to control a solenoid valve on your main water service. You would need a detector for every H and C aperture in your home ( in my case about 20 of them) and some would have to buried in the walls -bathtubs or wall showers-. You can get them usually at a local hardware store. Good Luck.
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