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None of the hot faucets are working but the cold water works fine. the pilot is on & we can hear it heating up but still no water. the heater is only a couple of years old. also it bangs very loudly. any ideas?

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IS THE HOT WATER VALVE OPEN AT THE WATER HEATER? OPEN THE PRESSURE RELIEF VALVE AND PURGE ANY AIR OUT OF THE TANK. BE CAREFUL NOT TO BURN URSELF.

Posted on Dec 15, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a Bosch WR325 gas water heater and it was working fine but now every now and then the hot water cuts out. I have found that if I turn off the cold water the heater kicks back in and I have hot...


As cold water enters the heater. its heated by the pilot flame, and takes a while before u have total hot water? what do u mean by cuts off? perhaps u have a pilot heating problem due to it going or coming off and on? are there any air drafts around the heater?

Mar 17, 2015 | Bosch Water Heaters

2 Answers

Tank full of hot water,faucets deliver only cold,water trickels into tank with rapid intermittend pump action


1) Copy following link:
http://waterheatertimer.org/Crossover.html

2) Add comment with clear description of water heater, fuel type, and pump?
Is this a pump problem or water heater problem?
Is this a water well pump?
Are you getting good stream of cold water at tap?
Which water heater do you have?
Is the heater new?
Or older heater that stopped working.

Dec 27, 2012 | Atwood 10 Gallon Gas/Electric Water Heater...

1 Answer

No water flow at all


you off the pilot and open the tape of hot water and waste the almost bucket water.
after it again on the pilot and wait for 1 or 2 hours and then start to use the hot water.

i hope this suggestion will work

Jan 20, 2012 | Water Heaters

1 Answer

I have a gas Rheem hot water heater.....The flame appears to be on full blast, not just the pilot. I have run no hot water today, so we shouldn't be out of hot water. The water our of the hot faucet...


Sounds like you have cold water entering the hot pipe, or crossover.

(A) Put bucket under water heater overflow pipe, and stand back from scalding water. Gently open and close the TP relief valve on water heater. Check temperature of water to see if heater genuinely has hot water.
It could be the water heater has sediment build-up and is no longer able to heat the water, or the gas thermostat is bad.
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html
http://waterheatertimer.org/How-to-install-gas-water-heater.html

(B) If water heater has hot water, and hot is not getting to faucet, then you have a crossover problem somewhere.
1) This problem can be located at crossover point of a recirculation system, if re-circ check valve has failed.
http://waterheatertimer.org/Water-heater-recirculation-system.html

2) Failure of a single handle faucet cartridge can cause crossover.
Read how to test for crossover:
http://waterheatertimer.org/pdf/Crossover-on-single-handled-faucet.pdf

3) Other causes for crossover are a failed check valve elsewhere in the plumbing system, for example on the pool equipment. Also a failed mixing valve which is usually installed on top of the water heater so that some areas of the house like laundry room receive very hot water, while the kids bathroom receives lower temperature water.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 15, 2011 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Water not hot even thermostate turned to high. The pilot light is on. Shoulder I be able to visualise the burner actually firing.,or hear it firing. I can see the pilot light clearly. Please help


If you have cold water now, you should hear the unit fire up and run while heating water. Proceedure would be; pilot is lit with thermostat at pilot setting. Once pilot is lit, you turn up to desired temp setting and you should hear the heater running. Depending on lighting, you should be able to see it slightly brighter and may flicker some while heating.

Apr 25, 2011 | Rheem Water Heaters

2 Answers

Water doesn't flow from the hot side. Was really cold last night. Is there a way to get it to flow?


Hi,
Yes... the water pipe is probably frozen... take a hair dryer and focus the heat on the piping...moving it back and forth along the piping to thaw it out...

heatman101

Feb 03, 2011 | Water Heaters

1 Answer

Not getting any hot water. Pilot light and burner seem to be working properly. Went from working fine in morning to not working at all this evening.


No hot water anywhere,or just one faucet,doesn't sound right if burner is working,if its coming on then your gas valve/thermostat on front is not working properly.Can be changed,but I would turn up temp. red dial see if she fires and watch to see if she stays on.Gas valve is threaded in and can be changed,depending on warranty.Could also be dip tube is cracked or broken in half,its a tube that forces cold water to bottem of tank,if not working you'll get a real short shower because cold water is in top of tank.Tube can be replaced,its on the cold water fill side which would have to be taken apart.Thinking now its your tube

Jan 27, 2011 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

I have hotwater in the tank but none at the faucets.


By-pass may be faulty. Are you getting good pressure on hot side, even though not hot?

May 24, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

No water pressure


Check all valves are open, cold in bottom, pushes hot out top, and if cold at tap is doing same, take aerator off tap and see what happens. Is same thing happening at all taps?

Apr 25, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Tankless on demand water heater.


Tankless water heaters normally take a little longer than a regular heater to provide hot water because they have to start and get warmed up. I'm guessing the heater uses a pilot light and that the short amount of hot water when you turn on the tap is hot because when the water is sitting still in the heater the heat from the pilot light is enough to get it hot. The tub faucet will get hot a lot faster than the shower because it lets a lot more water through and empties out the pipes faster than the shower. You could probably speed things up by letting the tub faucet run on completely hot for like 10-15 seconds and then turning on the shower.

Oct 24, 2009 | RTO Takagi Jr. TK-JR-N Tankless Water...

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