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Old 03-30-2008, 02:51 PM   #1
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Low hot water pressure- Kitchen only


Had new faucet and sink installed. Hot water flow was normal after install.
Ran dishwasher,when cycle was complete dishes still dirty.
Installer had not opened valve to dishwasher.
I opened it, but since then very low pressure out of kitchen faucet (other fixtures have normal pressure throughout the house).
Is this a faucet issue?
How can I tell if dishwasher is getting correct amount of water?
I have removed the aerator, still low flow, but did see a small amout of sediment in the aerator.

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Old 03-30-2008, 03:00 PM   #2
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Low hot water pressure- Kitchen only


Sounds like you may need to clear some kind of debris out of the hot water shut-off valve or the hot side of the faucet.
Turn the water supply off and dismantle the faucet. Lay a towel over it and very briefly turn the (hot) water pressure back on to flush it out.
If that doesn't do it, you need to turn off the cold water supply to the water heater (shuts off hot only of course), dismantle the hot (left) shut-off valve, put a pot or pan under it, and turn the cold water heater supply back on briefly to try to flush it.
Good Luck!
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Old 03-30-2008, 03:04 PM   #3
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Low hot water pressure- Kitchen only


Another thing may be if you have galvanized pipes. It may be stopped up at the kitchen. Maybe too just some trash at the faucet valve. I would myself be hard pressed to think the water heater as all the fixtures pressures would act up, not just one.
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Old 03-30-2008, 03:15 PM   #4
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Low hot water pressure- Kitchen only


Should I simply remove the hot water supply line and then "briefly open hot water valve" or are there more steps invoved?
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Old 03-30-2008, 03:20 PM   #5
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Low hot water pressure- Kitchen only


You could do that, but it may or may not not clear a clogged shut-off valve if that is what is stopped up. You can try it. Often that will do it, but you may have to still do the faucet also.
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Old 03-30-2008, 04:20 PM   #6
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Low hot water pressure- Kitchen only


Do as Mike first suggested. Shut the hot water supply valve off under the sink. Place rag in drain to avoid losing parts. Dis assemble the hot side of the faucet by removing the cap, lock nut, then the valve and the rubber seat at the bottom. A Phillips screwdriver is good to remove and re install it. next turn on the hot water cut off under the sink while someone holds a rag over the dismantled hot side of the faucet so water does not just shoot up and all over. Leave valve open for about 30 seconds, this should be enough time to blow it out. Re assemble and see what happens. If it does not help check to see if the line is galvanized pipe. If it is, it may need to be replaced.
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Old 03-30-2008, 05:35 PM   #7
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Disassemble the hot side of the faucet by removing the cap, lock nut,
Is this done from underside or topside?
never done this and I don't put written instruction into action very well.
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Old 03-30-2008, 06:14 PM   #8
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Low hot water pressure- Kitchen only


This is done from the top side of the sink.
The following is for a washerless faucet.
1) Turn off water supply by using the valve under the sink
2) Place rag in drain of sink so as not to lose parts
3) Using a flat screwdriver, pry off the center peice on the handle for the hot water
4) Use a phillips screwdriver to remove the retaining screw from inside the handle
5) Remove handle from faucet
6) There should be a nut visible on the outer side of the stub, remove this with pliers
7) Pull upwards with your hands the plastic peice you see sticking up
8) Using a philips screwdriver remove the rubber seat at the bottom of the hole
9) Go back under the sink, turn the cut off valve on for about 30 seconds.

This will blow out any trash in the line. This method is for a washerless faucet. If it is a washer type you do the same thing to #6.
For washer type:
7) Remove the stem by turning it out. There will be no rubber seat in the bottom as outlined above. It will be secured to the valve underneath by a screw and will come out with the valve. Then go under sink, turn water on for 30 seconds.

After you are done, re assemble
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Old 03-30-2008, 07:23 PM   #9
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Low hot water pressure- Kitchen only


What type of faucet do you have? single handle or 2 handle? what brand is it? knowing this can help with explaining how to take it apart.











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Old 03-30-2008, 07:26 PM   #10
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Single handle faucet
Glacier Bay?
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Old 03-30-2008, 08:00 PM   #11
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Low hot water pressure- Kitchen only


Single handle.
Shut off hot and cold under sink.
Look around the handle, there will be a allen screw. Remove this
Remove handle.
There will be a retaining nut, remove this.
Now you will be able to lift up on the valve, do so and remove it.
Next, remove the 2 springs
Next, remove the 2 rubber seats with a philips screwdriver (There is no screw, it is just easier to get the screw driver in there to pop them out with)
Turn the hot and cold cut offs on for about 30 seconds.
Re assemble by inserting the rubber seats using the screw driver as a guide
Replace the springs
Replace the valve
Replace the retaining nut, just snug with pliers, do not over tighten
Install handle and allen screw.
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Old 03-30-2008, 08:07 PM   #12
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Low hot water pressure- Kitchen only


Whew, single handle info made it much more clear. I'll go try this.
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Old 03-30-2008, 08:14 PM   #13
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go figure, no allen screw on outer fixture.
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Old 03-30-2008, 09:31 PM   #14
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Low hot water pressure- Kitchen only


there is a cap on it most of the time. a small plastic piece plugging the hole on the front of the handle remove that then place alen key in there.












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Old 03-30-2008, 09:35 PM   #15
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Low hot water pressure- Kitchen only


All flush stainless steel, no sign of a possible allen screw.

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