Question about Delta Faucet Plumbing

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Low pressure and flow on hot water side of single handle faucet

Pressure and flow on hot water side of a single handle delta faucet located on a kitchen sink is very low. Water is hot. Flow and pressure on cold water side is excellent. No leaks on faucet. Pls advise on how to repair. Thanks.

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  • 11 more comments 
  • Anonymous Mar 12, 2014

    faucet stem leaks both hot & cold

  • Anonymous Mar 15, 2014

    Low water pressure grohe kitchen faucet

  • Anonymous Mar 15, 2014

    leaking around the granite on hot water side

  • Anonymous Mar 16, 2014

    Single handle pioneer faucet drips

  • Anonymous Mar 18, 2014

    im not sure which one it is

  • Anonymous Mar 18, 2014

    water leaks at base of faucet

  • Anonymous Mar 18, 2014

    side handle lk6360nkmodel

  • Anonymous Mar 19, 2014

    hot and cold handles leak

  • Anonymous Mar 23, 2014

    Normally the light on the faucet flashes blue when working & red when the batteries need changing. We've changed the batteries & the light is still flashing red 3 times w/a 3 second delay between the flashes.

  • Anonymous Mar 23, 2014

    The red light flashes 3 times & then has a 3 second delay before flashing again 3 times, etc. Area on top is dry w/no pooling water.

  • Anonymous Mar 23, 2014

    The faucet flashes red 3 times, has a 3 second delay, flashes 3 times again, etc.

  • Anonymous Mar 23, 2014

    Light on faucet flahes red 3 times then a 3 second delay & repeat of this problem. Replaced batteries & still the same problem. Faucet will not work.

  • Anonymous Mar 27, 2014

    Replacing cartridge

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2 Answers

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  • 33 Answers

It could be one of two problems, one simple, one serious.

  • Easy fix
  1. Turn off hot water angle stop under sink to faucet.
  2. Remove supply line from hot angle stop.
  3. Place end of supply line in a small bucket to catch some water.
  4. Turn on cold water for a couple of seconds and backflush debris from faucet.
  5. Reconnect supply line.
  6. Turn on angle stop and test
  • Complex fix
If you have steel pipes you may be experiencing reduced flow due to corrosion in your pipes. Reduced hot water pressure in the kitchen faucet is usually the first sign since this is the faucet that is most used in the home.

Repiping is a job for a professional. Another symptom you may need a repipe is orange colored or rusty water.

Posted on Dec 05, 2008

  • Ed Courtney
    Ed Courtney Jan 05, 2014

    I had this same problem, and solution 1 worked great. Thank you!

  • Better Plumbing
    Better Plumbing Jan 06, 2014

    Your welcome! Since I wrote that solution another problem has surfaced that could be solution #3. Chloromine in the water supply swells the rubber washer in the angle stop requiring replacement of the angle stop. You should consider hiring a pro to do this too if your skill level in plumbing is not advanced.

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  • 6 Answers

First answer is pretty much the same as mine, but here are some details FWIW -- I had a similar problem ending with pretty much the above solution after some exploring. First, I checked the faucet valve itself. Opened it up and it was fine. Then I checked the shutoff valve. It was also clear. Then I checked the hose from the shutoff valve to the faucet. No kinks, but there was a little piece of plastic slightly sticking out on the shutoff valve end. I pulled that out with pliers and reattached the hose. The water ran fine for a second, then slowed down again. There was clearly something in there, so I disconnected the hose from the shutoff valve and let it hang with a clear glass bowl under it. Then I turned on the hot water faucet, put my hand over the spout, and turned on the cold water faucet, forcing cold water backward through the hot water side. (With a one handle faucet, you would turn it on in the middle position to get this back flushing.) More pieces of plastic came out of the hose into the glass bowl. The pieces looked like broken bits from an old valve. These faucets were replaced just before we moved in 3 years ago, so this stuff might have been from the old faucet. A few months ago, my water heater was replaced, so it could have been junk from that. Bottom line: after that backflush, all is well.

Posted on Jan 26, 2016

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1 Answer

Kitchen delta faucet doesn't get hot enough


Was it hot enough before the Delta? If so open and close the hot water valve (under the sink) several times as there maybe mineral deposits. I know you said the flow is the same on hot and cold but unless your version is a single handle model the problem should lie with the valve. If this is a cartridge model (cold & Hot together) then the cartridge may be out of align allowing the cold and hot water to mix.

Jan 18, 2018 | Delta & Single Handle Shower Faucet

1 Answer

Heater takes more than 1 minute to get water to kit faucet , then temp fluctuates


1) Guesses: Sounds like a bad single-handled faucet cartridge, or low water flow at faucet, or clogged water filter.
Replace faucet cartridge, clean the aerator, and/or clean sediment out of pipes below sink, and clean water filter at tankless unit each month.

2) For exact measure of problem:
Typical faucet can have 2 gallon per minute flow rate.
2 gpm flow rate means faucet fills 1 gallon container in 30 seconds. Test faucet using 1 gallon container and a cooking timer to get flow rate.
Clean aerator to improve flow rate. Compare kitchen flow rate with other faucets in home.
http://waterheatertimer.org/Low-hot-water-pressure.html

Most homes have 1/2" diameter pipe running to kitchen faucet.
100 feet of 1/2" diameter pipe holds 1.2 gallons of water. This assumes no sediment build-up inside pipes.
http://waterheatertimer.org/Water-heater-recirculation-system.html

Assuming only hot is turned on: If faucet is 100 feet away from water heater, and pipe diameter is unobstructed 1/2" diameter, and faucet has 2 gallon per minute water flow, then hot water should arrive in 36 seconds.
50 feet away, and hot water should arrive in 18 seconds.

If kitchen has single handled faucet, and the handle is raised in the middle, then equal amounts of hot and cold water are drawn at same time. This doubles amount of time for hot water to arrive.

If single handle faucet has a bad cartridge, then faucet can have crossover.
Crossover means that cold water can enter the faucet even if faucet is turned to hot.
Bad single-handled faucet cartridge can delay or stop the arrival of hot water.
http://waterheatertimer.org/Crossover.html

Tankless require maintenance including cleaning combustion parts yearly, de-lime heat exchanger frequently, and clean water filter each month.
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf
http://waterheatertimer.org/pdf/Bosch_Overcoming_fluctuating_temps.pdf
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

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Sep 15, 2011 | Rheem Direct Vent Natural Gas Tankless...

1 Answer

I have a Delta kitchen faucet model #467-SSSD-DST. The cold water flow and/or pressure is not adequate. The flow and pressure from the hot water side is fine. What may I do to fix my cold water problem?


Hi,
Take the handle off (set screw underneath)
Then turn the top off under the handle....make sure water is off...
then you will find a ball with the handle stem on it....note the position of it and pull it out...
under there are two wets of springs and rubber seats...
pull the right side out and check the hole for a blockage...(dirt or rust)
if none is visible, you may have to unhook the cold water supply hose
and then blow compressed air back through the hole to remove the blockage...
then reassemble...

heatman101

Mar 20, 2011 | Delta Faucet Delta 467-SSSD-DST Palo...

1 Answer

We have a Delta 172 single handle faucet. We had our hot water heater replaced. Now it takes longer for hot water to get to the faucet. Could debris (calcium build up, etc.) from the replacement get in...


Yes, debris from water heater replacements often breaks lose and gets stuck. The problem could potentially be anywhere between water heater and the faucet. The faucets shut off valves or the Delta faucet cartridge itself. Turn the hot and cold water valves off under the sink and disconnect the water supply lines from the faucet. aim the water supply lines into a bucket and turn the valves on one at a time. If there is a significant reduction in the water pressure and volume on the hot water side, you need to replace the shut off valve. If there is no reduction in water pressure, you need to clean and/or replace the Delta faucet cartridge. Contact Delta to receive free replacement parts.

Dec 11, 2010 | Delta Faucet Delta 172-SSWF Waterfall...

1 Answer

Hi just moved in new home love it but the water pressure in kitchen is very low but the two baths i have the water pressure is fine can you help me please


One thing you could try is to remove the aerator at the end of the spout on the faucet, Turn water on and see if pressure is any better. If so the aerator is got something in it restricting the flow.
You also can remove the dime shaped flat in the aerator to increase water flow. It looks like a dime with a hole about 1/8" in center to restrict the flow to about 1.6 gpm. Remove it and reinstall aerator and check water flow

Most of the times when cold and hot side of faucet.It would be the first thin to check being you have good water pressure at other faucets. They catch debris and the flow slows down from the faucet's. Check out supply lines and faucet for a blockage if this doesn't take care of the problem.

Check out this web sire for a parts breakdown of parts in faucet. Check out installation and rough in sheet for information on faucet below.
http://www.needplumbingsupplies.com/Kohler-Kitchen-Sink-Faucets.asp?id=3628

Jun 15, 2010 | Kohler K-12176-PB Fairfax Single Handle...

1 Answer

Poor hot water pressure form Delta single lever faucet


it can be adjust take handle off and remove locking collar first turn water off,

it has a metal or plastic ball with a shaft for the handle it may have spun or a washer may be bad under it,

you can get a replacement at lowes or Home depot to replace it if this is the problem .

Apr 25, 2010 | Delta Model 172: Waterfall Single Handle...

1 Answer

Pressure surging thru Delta single handle faucet. The water flow starts and stops suddenly when the faucet is more than half way on. Same for hot and cold.


I don't know if this is your problem or not, But I had a new faucet and it did the same thing. I found little tiny pieces of polishing media stuck in side the faucet. Every time you turn on the water it comes out fast , then trickles, drove me nuts, I took it back and got another, no problem, hope this helps.

Apr 21, 2010 | Delta 2402 Classic Single Handle Kitchen...

1 Answer

Water is not very hot.


First try adjusting the pressure balancing gear located right behind the handle. If you still do not have hot water I suggest to replace the cartridge.

Jan 13, 2010 | Delta & Single Handle Shower Faucet

1 Answer

Low water pressure while the rest of the faucets


lume build up. pull handle out and unscrew there should be filter inside take out and soak in a cup of lime away overnite rinse well and reinstall

Dec 17, 2009 | Delta Faucet Delta 474 Waterfall Single...

2 Answers

THE SCALDGUARD ALLOWS VERY LITTLE HOT WATER HOW TO CHANGE TO BEABLE TO FILL TUB I HAVE A DELTA#T13220 I CAN'T THE HANDLE OF EITHER


Hi,
You probably need to adjust the faucet to give you hotter water.
The other problem can be low water pressure... if your cold water pressure is low or there is a restriction in the line, it willl also restrict the hot water flow.
Follow these instructions to pull the whole valve assembly out and check the water flow of the cold water with out anything in the valve body. This will tell you if the problem is in the piping of the valve.

http://www.everyfaucet.com/Delta-T13220-DLT2970.html

Page down to near the bottom and look for the PDF attachments. They will give you the details you need to take the faucer apart and amke the neccesary ajustments.

I hope that this will help you to solve your problem!

Thanks for using Fixya!!

Heatman101

Dec 09, 2009 | Delta & Single Handle Shower Faucet

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