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Pilot light ignites, but does not stay on when I release and want to push to the right position to warm the water

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Most gas heaters have a heat detector set in line with the pilot flame. Sometimes this can become covered is soot or carbon. Clean with sand paper 120 grit or less

Posted on Apr 13, 2015

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How do I start a 1973 komfort travel trailer water heater?


See if big red knob has a PILOT or LIGHT setting and put it on that setting. Next look at knob on bottom-- it should have a circle cutout on it that needs to align with the pilot push button. The cutout lets the button be pushed in. While holding button in---light the pilot and keep holding the button in for about 3 minutes. If everything is working right with the water heater, after 3 minutes or so you can let go of the button and the pilot should remain on. If it stays on. turn the smaller button to the run or heat position and the big burner should come on. Then set the big heat control knob for the heat setting you want.

May 20, 2015 | Water Water Heaters

1 Answer

The pilot light does not remain on when the button is released. While holding the button in and turning on the water no ignition happens. Gas cylinder is full. Please assist. Thanks! Mark


Your gas valve works in conjunction with a therm o electric valve it is a 2 stage operation. 1 is when you push it in and light the pilot. 2 is when you release the button. This prevents full gas to the burner and prevents ignition taking place if the pilot light fails. The thermo-couple provides a small electric current around 30ma which holds the therm o electric valve open and in turn keeps the pilot light on. The thermo-couple needs to be replaced, if it still cuts out then ths therm o electric valve which is a n integral part of the gas valve has failed and a replacement gas valve would be needed.

May 06, 2015 | Water Water Heaters

1 Answer

Relight combi pilot light?


These are designed not to light once the thermocouple fails.the thermocouple has a small wire that positions in to the pilot light which checks the pilot is on and keeps the gas governed.once the temperature drops it shuts off the gas to prevent a build up of gas in a room where a pilot light has gone out.this is why you need to hold the button in on reignition to allow the thermocouple to heat up so the gas keeps open.
Try to relight by turning on the gas ....pressing down and holding the button for at least 10 seconds whilst firing the piezo to ignite flame.do not release gas button for at least 10 seconds then slowly release.if the flame on the pilot will not stay alight....then it is likely the thermo has failed.try cleaning the metal wire that is above the pilot jet.still no joy then it needs replacing.hope my comment is of help...please vote.

Feb 19, 2015 | Water Heaters

1 Answer

How to light the water heater pliant light


If it's not electronic. Turn the dial to pilot and push in the pilot button and hold it, then put a flame to the end of the tube under the water heater, continue to hold until the thermocoupler warms up and release. If it goes out do it again only hold the button down longer. The turn the dial back to on..

Jun 21, 2014 | Whirlpool Water Heaters

1 Answer

Sime boiler pilot light


Sounds like an old boiler. It is not on timer and has to be lit manually. Push in the gas button and hold and push the sprung ingnition button to greate spark. Continue to hold in gas button 1-2 mins and release. The pilot light should then stay on. The flame will have heated the sensor in the combustion chamber and the boiler thinks that there is a flame and will allow the main gas jets to light when demanded . If the flame does not stay on clean the sensor prongs with emery cloth but do wait until they are cooled. You have open up the combustion chamber for access
The 1-2 mins above varies

Apr 07, 2014 | Water Heaters

1 Answer

Water heater burner wont light


Problem is not thermocouple:
Thermocouple should be finger-tight plus 1/4 turn
Overtightening will short thermocouple against gas control valve, and solenoid switch will not open, and no gas will reach pilot once red button is released.
Tip of thermocouple has to sit in the pilot flame.
If pilot flame will stay on, then thermocouple is good.

Problem is not solenoid switch.
The gas control valve solenoid opens and closes gas supply to gas control valve.
On mechanical gas control valve, when you push down the red button to light pilot, then you are opening the solenoid and letting gas flow into gas control valve.
When heat is applied to thermocouple, a small electric current travels to gas control valve, and this causes solenoid to stay open.
If you extinguish pilot, then no current travels to gas control, and solenoid clicks off.
You can hear it click, and this is how you test it.
However, since you are getting gas to pilot light, then the solenoid is not the problem.

This leaves 4 possible problems:
1) Bad gas control valve thermostat.
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf
2) Inadequate gas pressure. Call gas company.
3) Dirty combustion parts. Clean the burner with wire brush and water.
4) Clogged air intake on FV water heaters: Rheem FV gas water heaters have glass vial that will break if combustion is slowed by clogged air intake.
http://waterheatertimer.org/How-to-repair-Rheem-TRD.html
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

Oct 06, 2012 | Rheem 40 Gallon FVR NATGAS Water Heater 6...

1 Answer

Pilot light will not light


If your pilot on your gas water heater will not stay lit you need to take one step at a time.

Let's look at how you tried top light it. Turn the gas valve to the off position and then move it to the pilot position. If you can see inside under the heater and there is no glass view window you need to take a lighter or a match on an extended stick so the flame can sit right under the pilot tube. Push down on the red button and then the gas should light on the pilot burner. Hold the button down for a FULL 60 seconds.

Then slowly release the red button the main burner should then come on. Now if the pilot flame goes out right away as you're releasing the red button you have one or two more things you need to look at.

1st would be to replace the thermo coupling. You have to remove the whole burner tray to do that. If that does not work then the gas valve is bad and you need to replace it also. Make sure that when you buy a new gas valve you match up the gas type Natural gas to L P gas. They must match with the gas feeding your house or it will never work,

Thanks and best of luck

R J

Sep 08, 2011 | Rheem Water Heaters

1 Answer

My Rheem 40 gal. LPG water heater has sat for two years. When I attempt to light the pilot manually, it goes out after I release the push button valve knob?


The pilots have to warm up, hold that button down for a min, then let it go, it should stay on. Then crank up the pressure, it should light. If you are worried about it, call your gas man, he will check it out. Hope this helps.

Mar 31, 2010 | Water RHEEM 40 Gallon FVR PROP PWR Heater...

1 Answer

My hot water tanks pilot light turns off after I have relit it. It stayed on while heating the water in the tank and once it stopped heating the pilot light went out again. What would be causing my...


are you holding button down long enough for thermal coupler to warm up? after pilot lights up, don't immediately let go of button for about 15 to 20 seconds then let go and pilot should stay on. If not, you may need a new thermal coupler for that water heater

Jul 03, 2009 | Water Heaters

2 Answers

Bosch water wizard 600 pilot light out


First check your gas supply, gas in bottle or lines? I know, this is basic & I'm not having a shot at you, but you'd be surprised at how many times it gets overlooked.

If you do still have gas supply, evident by that low hiss when you hold the pilot feeder button in (you might have to lean in close to hear it), then you need to check that the piezo is working. This is the bit which produces the spark to ignite your pilot. You will be able to see it sparking at the pilot outlet when you push the button (if you're looking in the right spot).

Ok, you have gas & a working spark? Not sure which buttons to press?

You mentioned the manual no longer being in a helpful condition...do you know which of the 4 buttons, 2 taps, 1 slide control & 1 dial do what?
Well just in case, here we go in simple form... first button on the left is the pilot feeder (lets gas through the pilot), second button from the left is the 'ON' button, third from left is the 'OFF' button & the fourth from the left is the piezo ignite button (gives you that much needed spark!). The slide controls your flame (how much gas gets fed to it). The dial, below the pushbuttons & slide, controls how much water flows through the system which then helps regulate the heat. Make sure the taps on your gas & water lines to the unit are on. There you go...2 taps = gas & water supply, 4 buttons = pilot gas, on, off, piezo (spark), 1 slider = gas/flame control, 1 dial = water flow control.

Ok let's see if we can light it! Water & gas supply turned on, slider set about 25% from left, dial set roughly in the middle, push in button 1 (1st from left) & hold in for about 10 seconds, you should hear a very faint hiss from pilot area. Yes? OK, keep holding button 1 in & press & release button 4 several times until pilot lights, you may not see a difference but if you can't see it and it does light you will hear the faint hiss change to a soft fluttering sound as the flame consumes the gas. Still OK? if so then the next step is to push in button 2 quite firmly & then release button1 as well. If all works as planned you will shortly have hot water supply restored.

If the above has not worked then your hot water service may just need a service to clean everything up & maybe replace a few worn or excessively corroded parts. Otherwise ,if there are no blockages in supply lines etc, then it may be time to replace it.

You neglected to say how long you've had it.

Cheers, hope this has helped.

Dennis

Feb 18, 2009 | Water Heaters

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