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Hot water heater overflow pipe leak

I found water on the basement floor near the heater

Posted by Anonymous on

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5 Suggested Answers

6ya6ya
  • 2 Answers

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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senor8
  • 73 Answers

SOURCE: water puddles leaking our of overflow pipe onto floor

sounds like your pressure relief is leaking. Make sure your home water pressure isn't abnormally high (above 80 psi). As long as your water pressure is fine, you should replace the pressure relief.

Posted on Jul 12, 2010

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SOURCE: Water is pouring steaming hot water from a copper

Sounds like the TP valve is releasing water.
http://waterheatertimer.org/Water-heater-leaking.html

To protect your property right now, turn off water heater:
Gas: turn gas valve to pilot so pilot light stays lit but burner will not turn on.
Electric: flip circuit breaker off

Next turn off water valve located on cold water line above water heater.
Last, open tub faucet to relieve pressure on tank.
Once pressure is off after a few moments, close tub valve.

The question is why is the TP valve releasing water.

1) Stuck TP valve: raise lever on TP valve and let back down slowly

2) bad TP valve: replace TP using same temp-pressure rating available from hardware store. Wrap teflon tape around threads and screw new TP valve clockwise until very tight. Make sure water is cool before removing valve from water heater. If you take out valve when water heater is hot, it will spew scalding water all over you. This is serious. Let the water cool down for several hours.

3) Runaway heating caused by bad thermostat
Gas: buy replacement valve at Lowes or plumbing store and replace according to instructions.
Electric: several causes. Test parts to determine which needs replacement.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html


More support:

a) Fixya offers phone support where you speak with a fixya expert on telephone for a fee.
You can use this service if you hit a trouble spot when repairing your tank.

b) You can also call a plumber who will know exactly what to do.

c) You can post questions at a professional plumbing forum:
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Posted on Dec 20, 2010

SOURCE: I pipe (sump pump connection) near the hot water

1) Electric heater, do not touch electric heater that is wet or has been wet unless power is 100% off.
2) Gas heater: Same applies to gas heater if controls are electronic, or if electric is grounded to hot water pipe.

3) Manufactures suggest replacing water heater that has been flooded.
Warranty is voided.
Set next heater higher.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

4) Electric: You can replace thermostats and elements, but if insulation is wet, the unit could short and be continual electrocution danger >>> and you can't operate electric heater with covers removed because cool air will keep thermostats from reading correct temperature.
5) Gas: You can clean out combustion chamber and replace gas valve and burner assembly, but new heater from local hardware or box store will save time and possibly money.

6) Use old heater as tempering tank if incoming water is cold:
http://waterheatertimer.org/Tempering-tank.html
Or use old tank as solar collector:
http://waterheatertimer.org/How-to-make-a-solar-water-heater.html

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

Posted on Feb 25, 2011

  • 5245 Answers

SOURCE: hot water heater overflow leak

Copy following link for testing and replacing TP valve.
Do not cap off TP overflow tube, as this leakage signals problem.
http://waterheatertimer.org/How-to-replace-TP-valve.html

Posted on Jul 29, 2012

Testimonial: "Still have a slight leak, turned the temp down, and will see what happens tomorrow. Thanks for your help"

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Related Questions:

1 Answer

Water meter keeps running. When I turn off the water supply to the hot water tank the needle on the water meter stops, does that mean that I have a leak in the hot water pipe coming out of tge tank.


Yes you have a leak on hot pipe or TP overflow tube.
Put ear against pipe to listen for sound of running water.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#listen
If TP valve goes into drain line, check if water is running down TP overflow tube.
Check each faucet for leaks.
If pipes are under slab, put ear against each faucet to determine which faucet is closest to broken pipe.

Mar 23, 2013 | Water Heaters

1 Answer

Leaking hot water heater


If it is older than 15 - 20 years and leaking on the floor under the tank, purchase and install a new appliance, If the T&P valve is leaking, change the valve. If it still leaks, replace the expansion tank which should on the supply water line. Try not to install an expansion tank "on its side". BEFORE YOU DO ANYTHING, make certain your incoming water pressure does not exceed 65 -70 psi. This could be the real problem. If so, install a new water pressure regulator. It is usually located inside the basement wall. In a Garden Home, it may be outside at the curb in the ground by the water meter. It may be in the ground buried near the entry through the foundation. It may be near the water heater.

Feb 02, 2013 | Water Heaters

1 Answer

Came down stairs water heater off and pan filled with water


Copy following link for troubleshooting leaking water heater.
http://waterheatertimer.org/Leaking-water-heater.html

You posted question under propane gas heater.
Propane is heavier and air, and this type gas water heater should not be installed in basement (below grade) since gas leak can fill basement with explosive gas.
Water leak does not cause gas leak, so water leak is separate problem.
Recommended for propane safety: install gas detector close to floor near gas water heater
Regular Natural Gas heater, install gas detector higher on wall since NG is lighter than air and will rise.

Aug 04, 2012 | Whirlpool 40-Gallon 6-Year Gas Water...

1 Answer

Hot water heater overflow leak


Copy following link for testing and replacing TP valve.
Do not cap off TP overflow tube, as this leakage signals problem.
http://waterheatertimer.org/How-to-replace-TP-valve.html

Jul 29, 2012 | Water Heaters

1 Answer

After water is sufficiently heated up, water flow out of the overflow pipe for about 2-3 minutes. Is it normal?


No.
Water should not leak out of water heater.
Water should only come out of the TP valve and down the overflow pipe if water is too hot, or if TP valve is bad, or if you have stacking condition.
http://waterheatertimer.org/How-to-replace-TP-valve.html
http://waterheatertimer.org/Stacking.html
http://waterheatertimer.org/Leaking-water-heater.html

Jul 14, 2011 | Rheem 81VP6S/430126 Water Heater

1 Answer

Pressure releif valve leaking


Hot water pressure relief valves serve two functions. The first is to remove high-pressure water from the hot water tank. The second function is to act as a high temperature valve to remove water that exceeds a predetermined point for the valve. Both of these relief settings are preset at the valve factory. Many pressure relief valves will come with a metal tag that identifies these release points. If you're attempting to remove the hot water heater pressure relief valve, pay careful attention to ensure that you replace with the correct valve.

Your hot water heater has a pressure relief valve safety mechanism. When pressure inside the water tank exceeds certain limitations, the valve opens up to allow the pressure to be released. A faulty pressure relief valve will not release excess pressure, which could cause extensive damage to your home. You should test the hot water heater pressure relief valve once every six months to ensure proper operation. If the pressure relief valve fails the test, replace the valve with a new one immediately

Locate the pressure relief valve on your hot water heater. The pressure relief valve has a lever handle on top with a drain pipe attached to it. The pressure relief valve is most often on the side of the water tank toward the top. Newer models of hot water heaters have the pressure relief valve on top of the water tank.

  • Inspect the area around the pressure relief valve for signs of leaking water. If there is leaking water near the relief valve connection, replace the relief valve. If no leaking is evident, proceed with testing the pressure valve.

  • 3

    Examine the area below the pressure relief valve drain pipe. Most water heater closets either have a drain in the floor below the pipe or the pipe is inserted into another pipe to direct the water out of the home. If the end of your drain pipe is not in another pipe or there is no drain in the floor, place a bucket under the drain pipe to catch water when you test the pressure relief valve.

  • 4

    Pull the lever handle on the top of the pressure relief valve up with your fingers. A working lever will lift up without difficulty.You should begin to hear water going through the drain pipe. Slowly release the lever to shut off the pressure relief valve. The pressure relief valve is good. If you did not hear water running through the drain pipe, lower the lever on the pressure relief valve and replace the valve. If the lever is difficult to raise, do not force the lever. Replace the pressure relief valve.


  • Now with all that said if you have a closed loop water supply system and you have a pressure vessal/expantion tank it may have gone bad and is making the TP valve leak. you can call your water provider to see if you have closed loop system.

    Feb 04, 2011 | Whirlpool Water Heaters

    1 Answer

    Water leaking from overflow.


    This is not an "overflow". It is a Temperature/pressure relief valve. Sometimes they leak with age or build up solids in valve preventing them from closing completely. This is the single most important safety device on your water heater. If one of the thermostats is malfunctioning, the TPR valve will relieve. If the pressure rises too high, it will also relieve. You can replace the valve, but be sure it is the same temperature and pressure rating. You will need to turn the water off and drain some of the water prior to removing the valve. Don't forget to reinstall the down pipe that directs floor to floor or drain. If a new one leaks also, suspect your temperature control. Water heaters can be bombs if the safeties are not working properly

    Oct 02, 2010 | RELIANCE ELECTRIC WATER HEATER

    1 Answer

    Water puddles leaking our of overflow pipe onto floor


    sounds like your pressure relief is leaking. Make sure your home water pressure isn't abnormally high (above 80 psi). As long as your water pressure is fine, you should replace the pressure relief.

    May 25, 2010 | Noritz 6.3 Gallon Residential Tankless...

    2 Answers

    My hot water heater is leaking out of long drain pipe


    The long drain pipe is the expansion relief overflow, it is too hot. The thermostats are too high. Or the valve is shot. Do you notice the water being too hot to touch? You might want to drop the temp a couple notches. There are thermostats on both gas and electric units. Also, do you have hard water? I have seen hard water build up on the expansion valve and cause it to leak, you could open that up for a second and let out some water to see if it will unclog it. Careful! Hope this helps.

    Apr 27, 2010 | Water Heaters

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