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Water Hammer Arrestors. Tom The Great 07-31-2006
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Posted by Tom The Great on July 31, 2006, 12:47 am
I was flipping channels and found the show "Ed The Plumber", the topic
was water hammer. In the last few minutes of the show it showed him
installing water hammer arrestors on the hot and cold water washing
machine inlets. They looked like small blue globes.

I have a mild water hammer problem, and figure that I would shoot for
the simplest solution.

http://www.urlbee.com?7537 (the last photo in article).

They look like they have a greater volume than the smaller ones I've
seen. Anyone know where I can get these water hammer arrestors?


Thank you,

tom


Real Goods Solar, Inc.
Posted by Sacramento Dave on July 31, 2006, 12:56 am

>I was flipping channels and found the show "Ed The Plumber", the topic
> was water hammer. In the last few minutes of the show it showed him
> installing water hammer arrestors on the hot and cold water washing
> machine inlets. They looked like small blue globes.
>
> I have a mild water hammer problem, and figure that I would shoot for
> the simplest solution.
>
> http://www.urlbee.com?7537 (the last photo in article).
>
> They look like they have a greater volume than the smaller ones I've
> seen. Anyone know where I can get these water hammer arrestors?
>
>
> Thank you,
>
> tom
>


If you have a water hammer problem try draining the system to get air back
in it. What they use to do is stick a piece of pipe ( 8 to 10 inches)
vertical with a cap this will trap air and work for shock absorber. They
usually put a tee at the water supplies .Eventually the water will absorb
the air that's the advantage of pre made one. But it might be sized for the
fixture unites it has to handle.



Posted by Tom The Great on October 7, 2006, 1:24 pm


On Mon, 31 Jul 2006 04:56:41 GMT, "Sacramento Dave"

>
>>I was flipping channels and found the show "Ed The Plumber", the topic
>> was water hammer. In the last few minutes of the show it showed him
>> installing water hammer arrestors on the hot and cold water washing
>> machine inlets. They looked like small blue globes.
>>
>> I have a mild water hammer problem, and figure that I would shoot for
>> the simplest solution.
>>
>> http://www.urlbee.com?7537 (the last photo in article).
>>
>> They look like they have a greater volume than the smaller ones I've
>> seen. Anyone know where I can get these water hammer arrestors?
>>
>>
>> Thank you,
>>
>> tom
>>
>
>
> If you have a water hammer problem try draining the system to get air back
>in it. What they use to do is stick a piece of pipe ( 8 to 10 inches)
>vertical with a cap this will trap air and work for shock absorber. They
>usually put a tee at the water supplies .Eventually the water will absorb
>the air that's the advantage of pre made one. But it might be sized for the
>fixture unites it has to handle.
>


I've heard these dead legs loose their effeciency over time, to almost
zero due to water logging. The air bubble disappears.

Now these are the examples I saw on tv,
http://images.scrippsweb.com/DIY/2006/05/16/detp303_1ff_d.jpg

I don't know if the installation is correct, since not feeling that
romex connection that was installed is the best.

later,

tom @ www.NoCostAds.com


Posted by Goedjn on October 9, 2006, 9:35 am


wrote:

>On Mon, 31 Jul 2006 04:56:41 GMT, "Sacramento Dave"
>
>>
>>>I was flipping channels and found the show "Ed The Plumber", the topic
>>> was water hammer. In the last few minutes of the show it showed him
>>> installing water hammer arrestors on the hot and cold water washing
>>> machine inlets. They looked like small blue globes.
>>>
>>> I have a mild water hammer problem, and figure that I would shoot for
>>> the simplest solution.
>>>
>>> http://www.urlbee.com?7537 (the last photo in article).
>>>
>>> They look like they have a greater volume than the smaller ones I've
>>> seen. Anyone know where I can get these water hammer arrestors?
>>>
>>>
>>> Thank you,
>>>
>>> tom
>>>
>>
>>
>> If you have a water hammer problem try draining the system to get air back
>>in it. What they use to do is stick a piece of pipe ( 8 to 10 inches)
>>vertical with a cap this will trap air and work for shock absorber. They
>>usually put a tee at the water supplies .Eventually the water will absorb
>>the air that's the advantage of pre made one. But it might be sized for the
>>fixture unites it has to handle.
>>
>
>
>I've heard these dead legs loose their effeciency over time, to almost
>zero due to water logging. The air bubble disappears.

That's why you use a screw-on cap/plug, and not a
soldered one.

Posted by Joseph Meehan on July 31, 2006, 7:53 am
Tom The Great wrote:
> I was flipping channels and found the show "Ed The Plumber", the topic
> was water hammer. In the last few minutes of the show it showed him
> installing water hammer arrestors on the hot and cold water washing
> machine inlets. They looked like small blue globes.
>
> I have a mild water hammer problem, and figure that I would shoot for
> the simplest solution.

In may homes arrestors are built in, but they are designed in a way that
over time they loose their ability to work. You can fix that good as new by
turning off your water and draining the pipes by opening the lowest faucet
(don't use the one on the hot water tank.) Let the water drain out and then
close it back up and turn on the water. Let the water out of the pipes buy
just cracking each faucet to let the air out. That may well take care of it
for you.

The commercial ones like you are talking about work on the same
principle, but often are designed in such a way that they are not subject to
getting waterlogged.


>
> http://www.urlbee.com?7537 (the last photo in article).
>
> They look like they have a greater volume than the smaller ones I've
> seen. Anyone know where I can get these water hammer arrestors?
>
>
> Thank you,
>
> tom



--
Joseph Meehan

Dia duit



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