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Pilot will stay lit but burner goes out about 1 minute after it lights

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Sound like the flame sensor you could scratch around on it and try again.Possibe venting issue

Posted on May 17, 2010

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1 Answer

I can get the pilot light to stay on but main gas burner won't fire up


If the pilot is lighting and the thermo couple is in the fire and turned red and the pilot still does not stary on change the thermo couple. They are available in any home improvment store.

Nov 04, 2014 | RTO Suburban Rv Water Heater Dsi Gas Valve...

1 Answer

The pilot won't stay lit on gas hot water tank.


Make sure thermocouple tip is seated inside the burner flame.
Make sure thermocouple is not overtightened. Finger-tight + 1/4 turn.
If the pilot lights, then ECO energy cut off is not tripped, but gas control valve might be bad.
Check color of pilot flame: it should be strong and clear blue.
If pilot flame is weak, or color of flame is yellow-orange: Clean pilot orifice and burner and combustion parts on yearly basis.
Clean air intake screen if applicable.
Increase air supply to water heater. Open a window and see what happens.
Check for adequate draft going up chimney using match under vent hood to see if smoke drafts immediately upwards.
Bleed air out of gas line.
Check gas pressure.

Open following links for troubleshoot resources:
http://waterheatertimer.org/pdf/Pilot-light-will-not-stay-lit.pdf
http://waterheatertimer.org/pdf/Pilot-outage-troubleshooting.pdf
http://waterheatertimer.org/pdf/Vent-spillage-test-atmospheric-gas-water-heater.pdf
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

Sep 21, 2011 | Water Heaters

2 Answers

Pilot light keeps going out


Either the pilot light orfice is dirty, and you will need to pull it out and clean it, or the thermocouple is bad. If the pilot goes out as soon as you let the button go then it is most likely the thermocouple. If the pilot stays lit for a few days or hours then you will need to clean the pilot orfice, heres how:
1 turn off the gas supply
2 unhook the main burner gas line from the thermostat, this is the line that goes to the burner
3 unhook the pilot supply line it is usually next to the main burner line
4 unhook the thermocouple from the thermostat
5 remove the burner assembly
6 take the orfice out of the pilot line and clean it out by blowing thru it, use an air compressor if needed.
7 reassemble and light pilot

Apr 08, 2010 | Reliance & 30 Gal LP Gas Water Heater

1 Answer

Pilot light has gone out how do i relight it?


Hi .. look at the control valve on the burner .,. there is a knob you can turn. It has markings for pilot and run, or something like that. turn the knob to pilot and push and hold it in. Light the pilot wit a long fireplace match. After the pilot is lit, wait about half a minute and relese the knob,, the lp[ilot should stay lit.

Apr 03, 2010 | Water Heaters

1 Answer

Pilot will stay lit but burner goes out about 1 minute after it lights


Hi,
The thermocouple is bad. You get the thermocouple very hot when lighting it, but then it cools down a bit even with the main flame on, and it shuts the burner down.
Replace the thermocouple and you will be good again.

heatman101

Mar 26, 2010 | Water Heaters

1 Answer

The pilot light & will stay lit. untill the burner cycles on/off


MAKE SURE THE BURNER TUBE AND ORIFICES ARE CLEAN. MAKE SURE YOU HAVE THE PROPER LP PRESSURE.

Oct 05, 2009 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Water heater pilot wont stay lit


try cleaning the top of the pilot light jet if you can get to with small brush then blow it clean with a compressor.

Aug 30, 2009 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

My 1.5 yr old gas water heater has a pilot light problem


YOUR WATER HEATER HAS WHAT IS CALLED A STANDING PILOT-STAYS LIT ALWAYS WHEN THE PILOT GOES OUT YOU LOOSE EVERYTHING. YOU HAVE TO REPLACE THE THERMOCOUPLE WHICH KEEP THE PILOT LIT. ONCE THE PILOT IS LIT THE THERMOCOUPLE SENDS IN MILLIVOLTS TO THE BURNER TO SAY ITS READY FOR BURNING
IF YOU ARE NOT FAMILURE WITH THIS REPLACEMENT PLEASE FIND SOME ONE WHO CAN. IT IS NOT HARD TO DO ASK A NABOR OR FRIENDS SOME HAS TO KNOW HOW. SERVICE COMPANYS ARE OUT FOR THE MONEY FOR A 10 MINUTE JOB

Aug 10, 2009 | Water Heaters

1 Answer

The pilot light on my gas water heater continually goes out. I can re-light the pilot and get it going. The gas burners goes on runs for awhile. I'm assuming when that when the temp hits the desired temp...


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The pilot assembly should look similar to the pic above. Depending on where you live, you may be required to hire a certified plumber to replace the parts. If not you can do it your self. Keep in mind if it's not staying lit you also need to check the thermostat and the thermocoupler before replacing the pilot assembly. There is a good chance it is just the thermocoupler going out. It is one of the first things to check when troubleshooting a pilot light problem with a gas water heater. A thermocouple determines if the pilot light is lit. If it's not lit, the gas valve fails. If that's the problem, replace the thermocouple.


  1. Shut off the gas valve on the water heater and the gas valve on the line near the heater. Remove outer and inner doors, and loosen the pilot and supply tubes and the thermocouple connections to remove the burner assembly.
  2. Step 2 Loosen the screw holding the thermocouple to the bracket. Remove old thermocouple. Bring it with you to the store to ensure you are buying the proper replacement.
  3. Step 3 Install the new thermocouple. Position the thermocouple so that the pilot flame heats 1/2 inch of the tip.
  4. Step 4 Reinstall burner assembly in the water heater. Tighten burner supply tube, pilot tube and thermocouple connections. Tighten thermocouple no more than a quarter turn more than hand-tight.
  5. Step 5 Turn on both gas valves. Check supply tube and pilot tube for leaks with soapy water. If soap bubbles, tighten connections to fix leak. Ignite the pilot light, and make sure the thermocouple tip is heating up. Replace inner and outer doors.

Jul 09, 2009 | Northern Tool Water Heaters

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