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After I installed an automatic hot water dispenser my faucet water pressure is low

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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arealplumber
  • 33 Answers

SOURCE: low pressure and flow on hot water side of single handle faucet

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

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manhandy
  • 146 Answers

SOURCE: Delta single handle faucet. Hot or cold no in between.

well they should be same size but unless you getting more of one then other then sound like mixing valve is not mixing. do have 3/4 hook up to mixing valve? you only need 1/2" to valve.

Posted on Jun 26, 2009

smokenic
  • 49 Answers

SOURCE: Low hot water pressure on newly installed kitchen faucet

it souns like a factory flaw in the piping or whoever hooked it up, over bent or kinked the line

Posted on Sep 20, 2009

  • 92 Answers

SOURCE: 5 year old Waste King AH-780-UL Quick&Hot

well the tank is made of brass and copper. That takes away that it is the unit. It sounds like lime buildup. Now what does happen as water goes into the tank and heats up lime will remain in the tank. Then as time goes buy it then starts to get to heavy and relesase itself and then the clog effect it taking place.

the best thing you can do now is reverse flow water into the tank and wash it out, its call beack washing. Yu can buy some products to put in at first to help break it down and then you get ore out.

With the new whole house units they now install a vakve set that has two way valves so you can backwash the tanks and stay ontop of the lime.

You must be asking where does the linme come from, well it starts at the well where the water department gets there water. then it goes into a filtering system and they use a lime to act as the filter agent then it heads out to the system and coats the pipes all along the way. I have cut 16 inch pipe and there was solid inch of lime caked inside.

I tell many people if yuo looking inside the water system yo would never drink the water. You might want to think about getting a whole house filter system to slow down the kime that geets in.

Thanks so much be safe in all that you do.

Yom

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Posted on Sep 11, 2011

Testimonial: "quick and insightful response...thank you"

  • 1 Answer

SOURCE: low hot water pressure in kitchen faucet

I have moen kitchen faucet # 7560 and water pressure very low. What should I do? We check water flow in pipe it is ok. I changed cartridge as well as pipe nothing help. Please let me know. thanks

Posted on May 27, 2012

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No hot water pressure in kitchen, low cold pressure


sounds like a bad faucet//only if you had good pressure before it was installed..to cheaply test..take the hot water off from the shutoff valve and spray it into a milk jug to see if theres good flow..then replace the faucet assmbly..dont forget to turn off the shutoff valve first..or you will get a watery surprise!

Jan 08, 2014 | Home

1 Answer

Water takes 30 sec to cover 10m from heater to tap


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1/2" pipe has inside diameter of .54" and holds 1.2 gallons per 100 feet
10 meters is 32 feet and holds .4 gallons
Average faucet puts out 2 gallons per minute, so 30 seconds you should get 1 gallon of water.
Put a bucket under faucet and check amount of water flow.

Assuming you draw just hot water from the faucet, then 30 seconds is slow for receiving hot water.
If you have single-handle faucet and raise handle straight up in middle, then you are drawing half hot and half cold, so it would take 30 seconds for hot to arrive.

If hot water is slow, the problem might be crossover.
http://waterheatertimer.org/Crossover.html
or low water pressure due to clog in water line
http://waterheatertimer.org/Low-hot-water-pressure.html
Other problems could include clogged water filter, clogged water softener, defective pressure valve, and low water pressure.

Sources:
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html
http://waterheatertimer.org/Water-heater-recirculation-system.html

Jul 10, 2011 | Bosch Outdoor Gas Tankless Water Heater...

1 Answer

Our rheem pronto tankless rutg-74xp red light will come home indicating hot water and stay on about 2 minutes and then turns off we have turned off and back on and let water run for 5 minutes and will come...


Before calling service technician, open following link for Rheem troubleshooting resources.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

List of causes MIGHT include one of following:
Bad household circuit breaker that powers electronics, or loose wire inside outlet where tankless plugs in.
Tankless fuses and control board.
Water flow rate too low. Minimum .8 gallon required (depending on model)
Tankless inlet filter clogged.
Household aerators clogged at faucets.
Crossover at single-handled faucet
If installed, there can be crossover at mixing valve.
Faulty household check valve, including check valve on re-circulation system if that system is installed.
Restriction in household water line, such as clog at elbow.
Unequal pressure in household hot and cold lines, caused by restriction in hot line. When single-handled faucet turns on, the cold water pressure is higher so hot does not flow and tankless will not turn on.
Loose wire connection inside tankless.
Unit temperature set too high.
Unit temperature set too low.
Water temperature is very hot coming out of tap, so more cold is added, but that reduces amount of hot water flow, so tankless turns off because flow rate is too low.
On some tankless, if water is preheated by solar or other indirect source, the burner will not activate.
High mineral content in water > delime tankless yearly
Misaligned temperature sensor
Low gas pressure. Wrong type of gas. Undersized gas line.
Too many faucets on at same time.
Faulty tankless water valve. Water valve stuck.
Fluctuating household water pressure, for example MUD and PUD district water pressure problems or water well pressure.
Faulty household pressure reducing/regulating valve if installed.
Faulty household pressure tank, if installed -or- pressure tank needs to be installed.

Apr 24, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

The water is luke warm and the pressure is lower than ususal.


We probably need more information to give a good answer.
You report 2 different problems occurring at once: Low pressure and Low temperature.
If this is tankless water heater, then Low pressure and Low temperature might be related, and you probably need a service technician to diagnose and repair cause.

If this is tank-type water heater, look at label on side of tank for type and brand of heater.
Is it gas or electric water heater? Troubleshooting is totally different for each.

Is water pressure pressure low on just the hot side faucet, or is cold side faucet affected too?
Are all hot faucets affected by low pressure?
If you have a dual handle faucet, open hot side only and check if hot water that comes out is hot as normal.
This will say if problem is pressure or temperature.
Tank-type water heater usually won't have both these problems occur at one time, but water heaters work in funny ways sometimes.

Add a comment to this post, or re-post your question with details so the experts can give a solid answer and not guess.
Also you can post water heater questions on pro water heater forum:
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 05, 2011 | Water Heaters

1 Answer

Hello, I replaced the seats and springs in my faucet Delta Leland 2578 and now my water pressure is low. So I thought it was the stem unit assembly because it had a lot of deposits on it so I replaced...


it would only be aerator if hot and cold were low..what happened is when u shut angle stop off on hot water to replace assmbly..the washer on angle stop separated and is blocking the supply

Nov 21, 2010 | Delta Faucet 2578-278 Leland Series...

2 Answers

Low hot water pressure in kitchen faucet


I have moen kitchen faucet # 7560 and water pressure very low. What should I do? We check water flow in pipe it is ok. I changed cartridge as well as pipe nothing help. Please let me know. thanks

Oct 14, 2009 | Moen & Replacement Cartridge

1 Answer

Low hot water pressure on newly installed kitchen faucet


it souns like a factory flaw in the piping or whoever hooked it up, over bent or kinked the line

Aug 31, 2009 | Plumbing

1 Answer

FF-1800 HAS LOW HOT WATER PRESSURE AND DELAYED TIME TO GET HOT


Sometimes there is a lot of sediment released into the pipes (particularly hot water) when water lines are shut down and restarted as part of a remodel process.

Particularly with a pressure balanced faucet this can create all types of symptoms including those you describe...

Before you go to any expensive lengths, check any intake screens or strainers, both on the faucet and in the other components of the system. A lot of the time this will solve the problem...

Nov 24, 2008 | Plumbing

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