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Junkers water geyser pilot is on but main burner will not start

Junkers model W325 K V2/31S25. I have tested the diaphragm by closing the pipe ends and putting it under water pressure. The Pin comes out to start the main burner valve. I have check the thermostat by taking it out and heating it up. It keeps the valve open. Water pressure here is around 6bar, and its a mixture of LP gas I,m using. The gas regulator is a 1.5kg/h. I cannot find a manual of this model. Is there some old people that have the experience on this model..Greatly appreciated

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  • gcvandyk
    gcvandyk Jan 09, 2013

    I HAVE SOLVED THIS PROBLEM.....the spring that is connected to the magnetic valve was worn, I just stretched it a bit and the problem was fixed.Thank you everyone

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  • 1,828 Answers

Http://documents.junkers.com/download/pdf/file/7181465057.pdf Sometimes there are several parts on this model to find buit beware on some marketing technical made differences inbetween one year of build there can be some modifications inside.

Succes

Posted on May 31, 2017

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Posted on Jan 02, 2017

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naveensistla
  • 36 Answers

SOURCE: main burner won't come on.

no its not the problem with thermostart because you said that there is no overheat know.... may be problem with the burner switch..... check it once....

Posted on Oct 22, 2010

  • 26 Answers

SOURCE: pilot light won't stay lit. Brand new new water

there could be a small blockage in the pilot light gas nozzle which just need cleaning

Posted on Dec 09, 2010

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WOULD SOFT WATER HAVE A BAD EFFECT ON THIS MODEL AS IT HAS RUSTY BITS


Hot water heaters are a collector of sediment. The proper care includes flushing out the collected debris through the low side drain faucet. The problem is the faucet is not designed correctly to carry out the needed task. If you are handy... turn off the water and gas or electricity to your water heater. Relieve the water pressure through the temperature/pressure relief valve on the side of the water heater tank. Once pressure is relieved close the valve. Determine if you have a 1/2 inch or a 3/4 inch diameter drain valve hole in the side of the tank where the drain valve is located. The drain valve can be removed with channel lock pliers, an 8 or 10 inch adjustable wrench, or a small 8 to 10 inch pipe wrench. Water will leak out the threaded hole while the valve is out. If everything is closed maybe 2 cups of water will leak out of the hot water tank as you check drain valve thread size. DO NOT take your time checking thread size. After you know the pipe thread size go to the hardware store ( Home Depot, Lowe's etc) purchase a short nipple (1 1/2 to 3 inch depending on available space) and a ball valve (brass) due to the water temperature. You will also need a brass adapter for pipe thread to garden hose thread (male both ends). This adapter goes into the ball valve to allow for the connection of a garden hose. Connect the pipe and valve together using the correct pipe thread sealant and install in place of the original plastic drain valve. Install pipe to hose adapter using thread sealant. With the ball valve in place turn the water back on. Gas or electricity back on. Connect a garden hose to the ball valve. Place the other end of the garden hose in a safe area as hot water and debris will be expelled through the hose. With water on, Gas or Electricity on and the relief valve closed actuate the ball valve to the full open position for approximately 3 seconds then close the valve. Repeat the open and close of the ball valve three times. Observe the debris that emptied out of the garden hose. You may be surprised at what you see. If the water runs clear, disconnect the garden hose the task is completed. You can wait until the following year to repeat the process. Your pipe and valve are now a part of the water heater, they may remain in place. Put the hose away.

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Junkers wr11 has no spark and no power


Is it gas or electric? if it is gas and has a pilot, and the pilot is out. If you don't smell gas go through the start pilot proceedure. when the pilot is running it produces a small electric current sufficient to hold the main gas valve open; then the temperture sensor allows the unit to keep the water heated.

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What is a, "geysers pilot"?

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Vaillant gas water heater - pilot light only, not lighting the main gas ring when tap is turned on..


first check to see if the thermocouple is close enough to the pilot. if it is and won't light the ring, replace the thermocouple.

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Junkers manual gas hot water


What are you expecting to happen?

I assume the water heater and water inside it is cold (otherwise you would not be lighting it). You light the pilot. The main burner comes on and the pilot lights it. The main burner should stay on until the tank is hot, When the tank gets hot the main burner should shut off but the pilot stay on. If you draw hot water, cold water will run in and cool the tank. If yu do nothing the tank will eventually just cools off. then the main burner should come back on to reheat the tank.

Nov 05, 2013 | Water Heaters

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Junkers manual gas hot water


please make this test and fix it. God bless you

An electric water heater is a 240-volt appliance that can deliver a fatal shock. Always turn off power to the heater at the electric panel before beginning work, and verify that power has been shut off. Make sure others in the house know not to restore electricity prematurely. If you have any doubt as to whether electricity has been turned off, seek professional assistance.
Troubleshoot a thermostat:
  1. Shut off power to the heater at the electric panel and post a sign warning others not to turn it on.
  2. Unscrew and remove the electric water heater access panel.
  3. Using a small screwdriver, turn the thermostat dial counterclockwise to lower the temperature, or clockwise to raise it. If the water heater doesn't maintain the proper temperature, test the thermostat.
  4. Disconnect one wire to the upper thermostat to test it. Set a Multimeter to RX1 (resistance times 1) and touch a probe to the thermostat terminals as indicated in the owner's manual. Depending on the model and the terminals tested, the tester should show infinity ( open) or about 0 ( closed).
  5. Test the lower thermostat in the same manner.
  6. If necessary, replace the thermostat. Unscrew it from its mounting and install one of the same model, size, and rating. Once you install it, adjust the thermostat following instructions in your owner's manual.
Test and replace a heating element:
  1. Turn off power at the electric panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
Test and replace a high-limit cutoff:
  1. Disconnect power to the heater at the electric panel and post a sign warning others not to turn it on.
  2. Remove the upper access panel and push the reset button.
  3. Replace the access panel and turn the power back on. If the water is hot, the reset was the problem. If not, you'll need to turn the power off again and reopen the access panel.
  4. Use a multimeter to test the cutoff terminals for continuity. If faulty, replace with an exact replacement part.
Drain a tank:
  1. Shut off power at the electric panel and post a sign warning others not to turn it on.
  2. Close the cold-water supply valve and open a hot-water faucet somewhere in the house (to speed draining).
  3. Attach a garden hose to the drain valve and run it outside the house.
  4. Open the drain valve and allow all water to drain out.
  5. To refill the tank, close the drain valve tightly and open the cold-water supply valve. Also open a nearby hot-water faucet. When a steady stream of water flows from that faucet, the tank is full and the faucet can be closed.
  6. Once the tank is full, turn the electrical power back on.
Test and replace a relief valve:
  1. Lift the spring lever on the valve to fill a small cup. Check the cup for sediment.
  2. If no water spurts out, or if water continues to drip after the valve is released, replace the valve.
  3. Cut power at the electric panel and post a sign warning others not to turn it on. Close the cold-water supply valve.
  4. Drain a few gallons of water from the tank.
  5. Unscrew and remove the discharge pipe if used.
  6. Loosen the relief valve with a pipe wrench, then remove the valve by hand.
  7. Apply pipe tape to the threads of the replacement valve and screw it into the tank by hand. Tighten it with a pipe wrench. Screw the discharge pipe (if any) into the valve outlet.
  8. Refill the water heater and restore electrical power.
Replace a drain valve:
  1. Shut off power at the electric panel and post a sign warning others not to turn it on.
  2. Close the cold-water supply valve and drain the water heater completely (see above).
  3. Unscrew the drain valve with a pipe wrench.
  4. Replace the drain valve with an identical unit wrapping the end with pipe tape.
  5. Refill the tank and restore electricity.

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1 Answer

Junkers gas geysers not heating water much


between 60 and 75 degrees c as any hotter will scald you. Have the gas specialist check it out as it may not be getting enough gas flow to the burner either a badly adjusted regulator or a blockage in the gas tap or line.. You control the temp by the amount of water coming out of the tap as you found out when you attempted to restrict the water flow.

May 29, 2013 | Water Heaters

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

    Hot water is spraying out the plastic coupler that comes out of the water heater up to the pipe. Want to know if there is any way to fix this problem in expensively.


    First thing to do is wrap rag or towel around spraying joint to localize water.
    Next, turn off power to water heater.
    If gas, rotate knob to pilot so pilot light stays lit but burner does not come on
    If electric, turn off circuit breaker.
    Close cold-water shut off valve above tank.
    Open tub valve to release pressure on water heater.

    Wait for water to cool before working on water heater to avoid high pressure scalding water.
    When finished, make sure tank is full of water and water comes out of tub valve before turning on power.

    Water heater should not have plastic couplings.
    I can't see your problem exactly, but water heaters have 3/4" nipples coming out of top.
    Easiest solution is use flexible connectors from Lowes or Home depot.

    geno_3245_158.jpg geno_3245_159.jpg

    Flexible connectors are 24" or 30" long and have 3/4" nut on each end, so disassemble existing pipes using pipe wrench.
    Lowes and Home depot can help you select appropriate pipe >> take several phone-photos of your pipes to home center so they can see your problem precisely.
    Attach 3/4" male adapter on end of pipe.
    Attach flexible connectors between pipe and water heater nipple.
    Cold water line has shut off ... make sure this attached to nipple marked cold.
    Make sure hot pipe is attached to nipple marked hot.
    Use teflon tape on threads.

    Add a comment if you need more help.

    Dec 09, 2010 | Rheem Water Heaters

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