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Old 08-31-2011, 04:32 PM   #1
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Default Water hammer???

When I run the spicket in the head sink, mainly the cold, it squeels like mad until I open it up further then sounds like a jackhammer coming from the faucet until I run it at full pressure. I have already unscrewed the facet head and cleaned it and ran the water with the facet head off and it still sounds terrible. None of the other faucets do this. What the heck?????
I have a 2001 2500 scr. All the other faucets run smooth hot and cold only the cold faucet in the head.

Any thoughts appreciated.
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Old 08-31-2011, 04:33 PM   #2
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I have no idea why there is a picture attached to my post. I do not have that faucet. That pic appeared after i posted so ignore that pic.
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Old 08-31-2011, 05:12 PM   #3
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The pic looks like a supplemental duct heater to me....
Anyway.
That doesn't sound like water hammer - that occurs when a valve is quickly closed causing a hammer effect due to stopping the momentum of the water quickly.
Are the lines / tap set all good - no kinks nothing partially pluggin it? Check to see it is all clean through the whole thing.
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Old 08-31-2011, 06:56 PM   #4
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That sounds like air in the lines.
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Old 08-31-2011, 07:17 PM   #5
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air in the lines....let the water flow out the furthest from the pump...once it's flowing ..then go to the next one..check the connections at the tee's and the pump to ensure they are seated properly...may have to remove them and reset them to get them to seat properly...


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Old 08-31-2011, 08:51 PM   #6
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Thx all. Done all that. Water is a constant flow no air. Its been doin this two years but since we are on the boat for a week I am itching for something to fix



Quote:
Originally Posted by seapuppy;18
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air in the lines....let the water flow out the furthest from the pump...once it's flowing ..then go to the next one..check the connections at the tee's and the pump to ensure they are seated properly...may have to remove them and reset them to get them to seat properly...


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Old 09-01-2011, 01:01 PM   #7
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If this is only occurring on the faucet in the head, then I suspect there is an airleak right at the connections for that specific faucet. Is this a Whale faucet? That is what I have in mine and mine acts very similarly. However, once I've turned it up all the way and purged the lines, it goes away. I even have an issue where I turn on the faucet and no water comes out at all. sometimes I have to turn on the hot side or the cold faucet in the galley to get the cold in the head to work. I suspect it is a connection that is slowly bleeding and introducing air. A constant bleed in the line, could account for why yours never goes away.

If you can, try pulling the faucet, then replacing teh connections on the water lines to just that faucet. Even try replacing the faucet (even if only temporarily) to see if that resolves the issue. It could be the mixing valve itself that is causing the problem. I can tell you that the behavior and sound in mine is identical when I run the water tank dry and have to re-bleed the lines.
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Old 05-22-2019, 02:31 AM   #8
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I have a 2002 3300 with a whale faucet, does the same thing....help...
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Old 05-22-2019, 01:31 PM   #9
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Install an Accumulator Tank:

https://www.defender.com/product3.js...4251&id=121224

This would get installed after the pressure pump.
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Old 05-22-2019, 02:01 PM   #10
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Same issue on my 3000...
Does this happen on both city water as well as onboard tank/pump?

Mine was solved when I replaced the water regulator (pressure was too high) and replaced the valve assy in the faucet. It was a combination of the washers being worn out and the pressure that cause the vibration in the valve.

John
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