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Pilot light keeps cutting out - Water Heaters

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Most water heaters have a small screen underneath them. When this screen gets clogged with dust or debris, the pilot does not get enough oxygen to stay lit. Use a brush attachment on a vacuum and clean it out.

Posted on Jan 04, 2013

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Posted on Jan 02, 2017

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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

Remeha boilers - pilot light keeps going out


You Need to replace the Thermocouple. You can get them at most hardware stores take the old on with you

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Nov 22, 2012 | Water Heaters

1 Answer

The pilot light goes out. When I go to re-light the pilot and turn the temp for vacation to medium the flame goes out again.


The pilot light jet may have got a little bit of dirt or grit in it which is preventing it from keeping alight. Try probing the jet with a fine piece of wire to see it the blockage can be dislodged. You may have to unscrew the jet to clear it by blowing air through it. Make sure gas is turned off first before removing any parts.

The pilot light also has a thermocouple that allows gas to the pilot light while the flame is burning. If flame goes out it shuts gas off to the pilot jet. The thermocouple is bypassed by a switch during the initial ignition and once the thermocouple warms up after a minute or two of holding in the bypass switch, it should maintain the pilot. If, after cleaning, the pilot light keeps going out, it would seem that your thermocouple is faulty and needs to be replaced

Nov 26, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Why does the pilot light keep going out?


This can be caused by a gust of wind and a relatively short exhaust stretch. You might check to make sure the cap is still in place on the outside end of the exhaust since these do help cut down on gusts reaching the heater.

Oct 10, 2010 | Rheem Water Heaters

1 Answer

Why does the pilot light keep going out?


Make sure your pilot flame is hitting the thermocoupler. If not then use air to clean pilot port and try again.

May 05, 2010 | Water Heaters

1 Answer

M# 640HORT4 s# H07A090378---MY Pilot Light wont


Hi,
First thing is to replace the thermoscouple. When you light it you get it a bit hotter then normal. You turn on the main burner which keeps it hot. Then when it goes back to just pilot the flame is not hot enough to hold the pilot valve in.
Replace the thermocouple and you will be fine...

heatman101

Mar 26, 2010 | Water Heaters

1 Answer

After heating pilot goes out . my igniter is bad so i light manually and after heating main burner shuts off and so does pilot


The thermocouple that controls the gas to the pilot light must be bad. The thermocouple, when it is heated by the pilot light keeps a valve open that keeps gas flowing to the the pilot light. This thermocouple closes the valve that supplies gas to the pilot light, this is to prevent gas from continuing to escape when the pilot light goes out. This is a safety issue, I recommend that you call a professional about this problem. You might be able to repair it your self by replacing the thermocouple but I still recommend that you have it checked by a professional.

Dec 02, 2009 | Whirlpool Water Heaters

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

2 Answers

My pilot light will light, but will not stay lit? I have a gas whirpool water heater aprox 1 1/2 years old.Thisis the first time we have encountered any problems with our appliance.


Once the flame has struck it heats up a thermocouple that in turn holds the gas valve open

It is a safety measure in case the flame blows out and the gas keeps on coming.

Sometimes the end of the thermocouple gets dirty and a scrub with a fine emery board does the trick

If not it is a new part (They are not that expensive)

Jul 07, 2009 | Whirlpool Water Heaters

1 Answer

My boiler keeps having to be restarted. It will not stay on by its self. I checked the nosel and the filter both seem fine. I have to restart it every hour or so for it to heat the water and house? any...


It is probably a limit switch that is cutting out. You need to locate which one may be giving you problems. Does it have a standing pilot light or does this unit have a spark igniter or hot surface igniter? If it has a standing pilot, the thermocouple may be bad but I'm betting on a limit switch.

Apr 02, 2009 | Water Heaters

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