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Anonymous Posted on Jun 21, 2010

I just installed a fluidmaster 400a. Works fine but every 5 minutes or so makes a "hiss" noise like it's filling for a fraction of a second.

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  • Posted on Jun 27, 2010
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Joined: Jun 27, 2010
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It probably is filling a little I suspect that you have a slow leak and replacing the flapper will solve that

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Ive replaced 3 toilet fill valve with 440a Fluid master fill valves height is good water level good.After a while it sounds like there is leak by from all toilet.Flappers have been replaced. What coul

check the overflow pipe in the cistern tank as some fill valves do not stop completely but allow input of water after the noise has stopped. This allows the water level to rise up and the water to flow out into the toilet bowl. Reduce the water level height by adjusting the cut off level and when the water rises past the new level the increase pressure on the valve will shut it off.
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Toilet does not stop filling, water keeps running

Hi,
Replace your toilet fill valve with a fluidmaster 400A

Click here

http://411plumb.com/how-to-replace-your-toilet-fill-valve-with-a-fluidmaster-400a

heatman101
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When the toilet is flushed there is a whistling sound straight after until the cistern fills up again

Hi,
The fill valve has dirt in it and the water is squeaking by literally...making the noise....
Either clean the fill valve if it is one that is cleanable or change the valve...

I like to use the Fluidmaster 400A valve it is cleanable and easy to install...

heatman101
Jan 05, 2011 • Home
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My toilet tank has a Fluidmaster. It does not always shut off after tank has filled with water. Seems to be sticking. Is there an adjustment I can make or should the entire Fluidmaster be replaced?

This happens over time and also more often if you have hard water. Using cleaner tabs actually make it worse. You need to change it out. Hardware stores carry a direct replacement. I think it was a Fluidmaster 400A model that is identical to yours.
Nov 26, 2010 • Home
0helpful
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I have the k-4620-da toilet and when we flush a loud noise starts from inside the tank and doesn't stop until float is all the way up!

Make a note where your water level is then the tank is full. Replace the assembly that lets the water in with a Fluidmaster 400A fill valve, available at your local plumbing supply store.
Sep 27, 2010 • Kohler Home
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Replacing fill valves in mansfield 160 toilet

If this is the standard manfield 160 toilet I recommend replacing the fill valve with a Fluidmaster 400a. They are easy to install and adjust , and work very well.I have installed hundreds of these and have had zero problems. Hope this helps.
0helpful
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I just installed a fluidmaster 400a. Works fine but every 5 minutes or so makes a "hiss" noise like it's filling for a fraction of a second.

Hi,
to get exact cause of your problem personal examination is necessary. But still visit to the given link. It may help you..
http://www.toiletology.com/troubles.shtml
Thanks...
Jun 22, 2010 • Home
1helpful
1answer

I have installed a fluidmaster 400 bottom inlet

I have installed 400A or 400LS valves on systems as low as 30psi, but below that I don't know that it would work very well if you needed it to fill faster.

Keep in mind that your pressure to the toilet will be 1/2psi for every foot above the fill level of the tank, which is reduced by friction loss in the pipe and fittings on the way to the toilet.
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