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changed kitchen faucet, now hot water hammers

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changed kitchen faucet, now hot water hammers NAL 05-26-2007
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Posted by NAL on May 26, 2007, 2:30 pm
Hi all - I've searched this forum and found out enough to realize that
the pipes are hammering, but couldn't find an application that was
similar to mine. I recently had new counter tops, sink and faucet
replaced in the kitchen. I did the plumbing myself. I've replaced
many faucet's before and found this to be pretty routine, except
there's a dishwasher and a garbage disposal to deal with too. I had
no problems doing all this (back in late March), but within the past
few weeks, I've noticed that the hot water pipes hammer when I turn
off the faucet in the kitchen or the dishwasher runs. It does not
happen with the cold water. Did I inadvertently do something? How do
I correct this problem? It does not happen with any other faucet in
the house.

Thanks in advance for your help!

NAL


Posted by Speedy Jim on May 26, 2007, 4:17 pm
NAL wrote:
> Hi all - I've searched this forum and found out enough to realize that
> the pipes are hammering, but couldn't find an application that was
> similar to mine. I recently had new counter tops, sink and faucet
> replaced in the kitchen. I did the plumbing myself. I've replaced
> many faucet's before and found this to be pretty routine, except
> there's a dishwasher and a garbage disposal to deal with too. I had
> no problems doing all this (back in late March), but within the past
> few weeks, I've noticed that the hot water pipes hammer when I turn
> off the faucet in the kitchen or the dishwasher runs. It does not
> happen with the cold water. Did I inadvertently do something? How do
> I correct this problem? It does not happen with any other faucet in
> the house.
>
> Thanks in advance for your help!
>
> NAL
>

Since it happens when the dishwasher runs (supply valve closes
presumably), the faucet is not at fault. Check for loose piping
of course.

I don't often advocate them willy-nilly, but I think this
is a good case for a water hammer arrestor.

Make one or buy a commercial unit:
http://www.plumbingsupply.com/waterhammerarresters.html
http://www.siouxchief.com/B_Products_Prods.cfm?ID=35

Jim

Posted by NAL on May 27, 2007, 6:21 am
> NAL wrote:
> > Hi all - I've searched this forum and found out enough to realize that
> > the pipes are hammering, but couldn't find an application that was
> > similar to mine. I recently had new counter tops, sink and faucet
> > replaced in the kitchen. I did the plumbing myself. I've replaced
> > many faucet's before and found this to be pretty routine, except
> > there's a dishwasher and a garbage disposal to deal with too. I had
> > no problems doing all this (back in late March), but within the past
> > few weeks, I've noticed that the hot water pipes hammer when I turn
> > off the faucet in the kitchen or the dishwasher runs. It does not
> > happen with the cold water. Did I inadvertently do something? How do
> > I correct this problem? It does not happen with any other faucet in
> > the house.
> > Thanks in advance for your help!
> > NAL
> Since it happens when the dishwasher runs (supply valve closes
> presumably), the faucet is not at fault. Check for loose piping
> of course.
> I don't often advocate them willy-nilly, but I think this
> is a good case for a water hammer arrestor.
> Make one or buy a commercial
unit:http://www.plumbingsupply.com/waterhammerarresters.htmlhttp://www.siouxchief.com/B_Products_Prods.cfm?ID=35
> Jim- Hide quoted text -
> - Show quoted text -

Thanks Jim, but it seems odd that it started after changing the
faucet; I didn't touch the water line to the dishwasher.
Guess I was hoping for something that I did to explain it! :-)

NAL


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