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My hot water heater is leaking out of long drain pipe

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You need a new preasure reliefe valve located at the top of the long drain pipe

Posted on Apr 27, 2010

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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.

Posted on Apr 27, 2010

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SOURCE: how to drain hot water heater

look under camper at floor

Posted on Nov 11, 2008

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SOURCE: GE Profile Smart Water Heater leaking at top/no hot water

Hi, has your problem been solve yet? please respond
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Posted on Nov 23, 2008

  • 252 Answers

SOURCE: Hot water tank leak

drain valve must have already been leaking, that's why someone put the cap on. It's ok to cap the drain but never the pressure/temp relief. If the water is coming out of the drain (not around it) you could either replace the cap or the drain valve to stop the leak - otherwise it's time for a new water heater.

Posted on May 24, 2009

  • 82 Answers

SOURCE: need to empty reliance 501 hot water heater how?

1) Shut the breaker off to it at the panel. 2) Hook a hose up to it (the bottom has a drain). 3) Close the valve to the water heater (on the cold water supply). 4) Open drain on the bottom of water heater. 5) Open the relief valve to allow air into the tank (it won't drain otherwise - think if you put your finger on one end of a straw - the liquid stays in until you let go). Why are you draining it by the way?

Posted on Jan 31, 2010

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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

Gas ignites flame but water is not getting hot


You have gas water heater with working burner.
But not getting hot water at faucet?

1) Bad faucet cartridge. Test for crossover. Copy following link:
http://waterheatertimer.org/Crossover.html


2) Is there hot water inside the tank? Open drain valve and check for hot water.

3) Drips and leaks: Turn off all taps and put ear against pipe and listen for water leak.
Water leak can run all the hot out of tank.

Dec 05, 2012 | Water Heaters

1 Answer

Is my water heater leaking?


You have water leak that you can hear running water.
Could be broken pipe under house.
Could be water running out of tank at TP valve.

Turn off all water taps and put ear against each pipe at tank.
If TP valve is leaking, then replace TP valve.
If pipe is broken under house, then call contractor.
Copy following links for troubleshoot walk-thru.
http://waterheatertimer.org/images/Ear-against-pipe-200.jpg
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#listen

Aug 28, 2012 | Reliance 606 Series 40 Gallon Electric...

1 Answer

I have a leak coming from the "cold" line right at the valve joint. There is signifigant calcuim build up on the pipe from the valve to the connection of the water heater, (maybe 8 inch of pipe)...


Very simple - call a Plumber. He will fix your plumbing problem, and any foreseen potential problems related to your water leak. He may also suggest replacing your 6 year old water heater. Of course ..... for a professional cost.
However, depending on your time, skills, proper tools, patience and luck, it's easy enough to perform yourself:
1. Switch off the water heater Breakers (220v) in your service panel.
2. Turn off the water supply to the water heater.
3. Attach a water hose to the drain faucet. ( a good time to flush sediment -calcium deposits)
4. Open a hot water faucet to vent (above the level of the water heater drain - kitchen sink)
5. Remove the suspected leak components. (a union connection is a good place to start)
6. Install New pipes -3 wrap all male threaded ends with teflon Tap. Tighten securely - using 2 wrenches.
NOTE: Before refilling - you can turn on the water heater supply valve for a few minutes, to flush out any lingering calcium debris.
7. Shut off drain valve - remove hose. Shut off venting hot water faucet.
8. Turn on water supply valve to fill water heater.
9. Open a hot water faucet to relieve air pressure while filling - preferably the bath tub faucet, it doesn't have a screen that might clog.
10. When water flows without air - shut off tub faucet.
11. Look for leaks.
12. Switch the water heater Breakers on.
Note: 50 gallons should take an hour or more to heat up. Turn on a hot water valve momentarily within this heat up time to relieve thermal expansion. ( the PT valve on your water heater will perform this task if pressures/temperature exceed new water heater tolerances - it's just a precaution to introduce these fluctuating pressures on your fragile 6 year old unit)

These are just basic instructions - assuming you fill in the common sense and work safe steps.
Good Luck - The Skill will only come after trying.

Mar 05, 2011 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

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

    I have a Reliance Sta-Kleen 805 Electric Water Heater that is leaking from the cold valve but the water is coming out hot. How do I repair it?


    If I understand correctly you have residential electric water heater, and your shut off valve located above water heater on cold-water line is leaking?

    1) Hot water would come out of this valve if it's leaking because water inside tank is hot and under pressure ... also remember, hot water rises so tank is probably heating the water inside the cold line during hours when no hot water is being used.

    2) You probably need to replace the valve. But if water is leaking because a pipe is rusted, the valve may be ok, and just the pipe needs to be replaced.
    Take a photo of your problem to hardware store or home center.
    I used to work in those stores and could help folks get the right parts.

    3) Here are some steps for replacing the valve.
    Shut off main water source into house. This is usually located underground in same box where meter-reader looks at meter.
    Your water heater shut off valve is called a gate valve, and it will be 3/4"
    All water heater pipes are 3/4"
    You will need two 10-12" pipe wrenches, maybe a new gate valve, maybe a new flex connector, probably short 3/4 pipe pieces, teflon tape for each threaded pipe.
    Hardware store or home center can get you the right materials, just take a photo over to hardware store

    4) When you get started, turn off water heater circuit breaker for a couple hours so water will cool down. You don't want to get scalded with hot water.
    Do NOT drain the tank.
    Simply open a bathtub faucet on hot side to release pressure.
    When finished, turn on the water, and make sure water is flowing out of tub spout in full stream before turning circuit breaker ON

    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.

    Jan 23, 2011 | RELIANCE ELECTRIC WATER HEATER

    1 Answer

    Turned off the hot water to fix a leaking tap. now the tap has no hot or cold water and the hot water tank valve is leaking?


    It sounds like two problems.
    Problem 1) Clog inside faucet or clog inside pipes at faucet
    Remove supply tubes leading to faucet and see if problem is inside pipes or inside faucet.
    My bet is clog inside faucet.

    If you have galvanized pipe that meets copper pipe, this can be trouble spot.
    Article on clogged water pipes at Inspectapedia:
    http://www.inspectapedia.com/water/Water_Pipe_Clog_Repair_Guide.htm

    Article on clogged pipes:
    http://www.waterheaterrescue.com/pages/WHRpages/English/Troubleshooting/Tanklets/backflushing.html

    Problem 2) Water heater leak ... you say tank valve is leaking? Is that cold-water shut-off valve? Or tank drain valve? Or TP valve?

    If cold water shut-off is leaking, then replace shut off.

    If tank drain valve is leaking, then check if plastic valve is cracked. If drain valve is cracked, then replace with a brass valve from Home Depot. If plastic valve breaks off, then use hammer and screwdriver to gently chip out the broken plastic valve. New valve threads need teflon tape to seal pipe. If valve is just dripping, then put garden-hose cap over end of valve and screw down tight.

    If TP valve is leaking, then replace with same temperature and pressure rating.
    New TP valve threads need teflon tape to seal pipe.

    Problem 3) If pressure is low all over house:
    Buy pressure gauge at hardware store that screws onto hose connection.

    Test pressure on outdoor spigot.
    Open faucet and check if pressure drops. This says if problem is inside pipes that enter house.

    Test pressure on water heater drain valve.
    This says if pressure problem is before -or- after water heater.

    If problem is before the water heater, then shut-off valve located on cold water line is suspect.
    If problem is after water heater, it could be in hot water outflow pipe on top of water heater, or a nearby elbow.

    Remove hot water line leading from water heater and check pressure. This says if problem is where hot water leaves tank.
    Read articles above about clogs inside water lines.


    Nov 16, 2010 | Rheem Water Heater Pressure Relief Valve

    1 Answer

    Drain pipe leaking on outside of home from hot water heater,? cause


    You have a safety valve which is made to relieve pressure in the hot water heater in case it overheats. It may have developed a leak. Sometime you can lift up the valve and close it again a few times and it will reseal otherwise replace it. It's on the top of the heater with a small lever. Usually made of brass.

    Mar 25, 2010 | Fasco Bradford White Hot Water Heater...

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