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Pilot light keeps going out when we turn heater down, not sure why and what numbers selection means, please help

Pilot light always goes out when we turn down heater. No sure what is happening, what number systems on the dial me what

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You didn't mention what type of heater it is. If it is a gas heater then the problem is most likely the thermocouple. This is because there must be a standing flame that keeps the end of thermocouple hot which in turn lets the gas valve stay on and that lets the gas to the burners.

Good luck,


Posted on May 11, 2014


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Check venting, exhaust, the adj vent in fireplace. If that does not work your valve failed, warranty it. If no warranty expect to pay between 90 to 150 dollars.

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thats what it sounds like to me you have a bad far as being under warranty alot of the components usually have bear minumum warranty the tank itself will still be under warranty based on your info... the thermocoupler are inexpensive and fairly easy to change most home depot or lowes building centers carry these in the water heater department....good luck

Posted on Jan 03, 2011

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SOURCE: When we built our home

It has a panel hidden under the white fiber hearth bricks at the front bottom of the unit. you need to clean the lava rock off of them, pull both of them up, and then you will see the hidden linear cover that allows you to access the valve and light.

Posted on Jan 13, 2011

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1 Answer

Pilot light keeps going out

pilot light keeps going out! more then likely its the thermal coupling doing this. if bad it shut all gas to heater for a safety measure. just shut power off, then turn gas off and replace it. then you should be ready to go. to relight heater hold down on gas vavle knob in the pilot position, hold down and light it at the coupling where gas comes out. when it is lit, continue to hold down for 60 seconds. release knob very slow. then if its lit, turn to the run position. if flme goes out, wait at least 5 minutes to expel the gas fumes and turn to pilot and try again. good-day !

Mar 31, 2012 | Water Heaters

1 Answer

My Kozy heater turns off after a few minutes, I then have to re light it and when it kicks on again after a few mins it turns off again. It will stay lite if I turn it down but when it goes on agin it will...

If you have a standing pilot that wont stay lit and you have to keep relighting it, it can only be a couple of things that will do this.
1. Try tighting the thermocouple at the gas valve. (this is a thin copper line that goes from the gas valve and goes to the pilot light.)
2. Make sure that the tip of the thermocouple is in the pilot light flame.
3. Make sure that the thermocouple is clean.

Mar 22, 2011 | The Companion Group Kozy World Portable...

1 Answer

We have a rheem 30 gallon gas water heater / rn 1094a16941 -- the pilot light keeps going out - we have replaced the thermol couplier then it worked for a while and now it lights but won"t stay lit for...

This covers the basics on no burner flame or pilot outage issues on standard tank gas water heaters. As always, safety first; if you do not understand what you are doing, do not attempt to make repairs on your own. This is just a guide to help you figure out what may be wrong.

1) Let's take care of the obvious things first. If you have a propane gas water heater, make sure you are not out of gas! Go to the tank, lift the lid, look at the % gauge. If it's pointing at 5% or less, you may be empty or about to run out of gas. If it says you have plenty of gas, make sure the gauge is not sticking and bang the lid down. If the gauge drops down to 5% or less, order a gas delivery.

2) Remove the panel on the water heater to view the burner. Is the pilot still lit? Yes, then make sure the control knob is in the "ON" position. Also make sure the temp dial is not on "Vacation" setting or set at a very low temp setting. Typical dial settings are at medium "arrow" selection or "A" selection.

3) Is the pilot flame out? If you smell gas, do not attempt to light. Turn gas off at shut off valve on gasline to water heater and call your gas co. Otherwise, follow the manufacturer's lighting instructions on the water heater to relight. Pilot still won't light? Then you may have a dirty pilot orifice that needs cleaned. Or if you were out of gas and just got filled, you may have air in the lines and lighting the pilot will take longer than normal to light. It's best to have the gasman light this when he is there to fill your tank. It's also possible you have a control that is locked out or defective, which will require a serviceman to repair or replace the control.

Let's say you get the pilot flame lit. When you release the button, does it stay lit? No, then you might not have held the button down long enough, Try again. Still goes out? Is the pilot flame a strong blue color and actually making the thermocouple red hot? If so, and it won't stay lit, replace the thermocouple. Or is it a lazy yellow flame? If so, it may have burn't the tip off the thermocouple and it will need to be replaced. This condition is caused by a dirty pilot orifice, which will need to be cleaned with a broach to prevent it from ruining the new thermocouple you install.

4) Ok, let's say you relight the pilot and get the main burner to light as well, but later they both go out again. This only happens, of course, after the service tech has left. With it still off, get a flashlight and look inside the access panel in the area above the main burner? Do you see a lot of black soot build-up? If so, this make be causing your problem. Have your water heater serviced. If no soot, then check for blockage in your vent. Look for a bird nest or even a dead bird. Your vent cap is either going through your roof or through a wall to the outside. You'll need a ladder to check either. If it has bends and elbows, check those out for blockage too.

5) No blockage? Sometimes a vent is installed wrong (like under an eave) or you are getting a strong down draft. Make sure your vent cap is still attached on top of your vent too. Strong winds can blow out the pilot flame.

6) Here's another test you can do, if the pilot and burner shut down. Relight it as you did before and with the burner lit, reinstall the access panel. Now light a match at the draft diverter (standard water heaters have these on top which connect the water heater to the venting) Blow out the match near the edge of the draft diverter and watch where the smoke goes. (Shining a flashlight there also helps you see the smoke better) If it gets pulled into the draft diverter, it's working properly, pulling outside air in. If the smoke gets pushed out, you have a drafting problem. To make matters worse, you are also allowing carbon monoxide into the home. Have your water heater serviced immediately. I also recommend having a carbon monoxide detector located on every level in houses that have gas or oil appliances.

These are just a few ideas to help you figure out your common lighting issues. There are other issues that I did not cover, which may require a repairman. I hope you find these useful. If you still have concerns, please ask away! That's why we are here! Douglas

Aug 17, 2010 | Kitchen Ranges

1 Answer

Water heater pilot

This is more than likely the thermocoupler. The thermo Coupler is a solid cylinder shape with a point on one end and a thick aluminum wire on the other the tip is situated so that it is in the pilot flame. When it reaches a certain temperature from the pilot it sends a signal for the gas valve to stay open and keep the pilot light. If it does not send the signal the valve closes and shuts the gas off for safety. Solution first make sure you hold button long enough to heat Thermocoupler (about 30 sec) if pilot still goes out then replace Thermocoupler. Can purchase at most hardware stores and all plumbing shops.
If this has been helpful please select a rating. Good Luck and have a Grt Weekend.

Apr 01, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

How do you shut down

the pilot light always stays on, its designed to allow your heater to turn on by itself without you needing to light a match every time. if the pilot light is burning you have nothing to worry about. its when the pilot light goes out that a small amount of gas leaks into the room. and by small i mean smaller than a hand held lighter... if you still want to shut the entire thing down you could turn off the gas line feeding the heater or possibly the whole house, otherwise the pilot light will stay on. as far as the actual heater turning off, thats probably controlled by some sort of thermostat somewhere. if you set the temp to very cold it should stay off. if that doesn't work then you may need a new thermostat.

Dec 31, 2009 | Vanguard International VN18B Infra-Red...

1 Answer

How do i use the reset button to turn the hot water to star heating again?

turn the dial to pilot and push and hold down red button while you light the pilot located inside water heater beside burner, keep holding button down after pilot is lit for about 1 minute. If you let go and pilot goes out repeat above steps and make sure pilot flame is heating up the thermal couple. If that fails replace themal couple.

Oct 24, 2009 | Rheem Water Heaters

1 Answer

Charmglow Patio Heater

The yhernocoupler would snuff the pilot if bad. What ignites the overhead burners? and what regulates the overhead gas supply? Look into this. Too much gas will not light as easily as proper balance gas and air. Even more so in a tower type heater.. Turn the gas on low and the pilot should grab it. Good luck

Jun 05, 2009 | Coleman (5040B750) Patio Heater

1 Answer

Heater won't stay lit

On your main gas manifold you have orfaces that screw into it at each burner. Remove these and see if their are small spider webs in them. They will look like little lint balls. They can keep your main burner from getting gas and in turn keep the heater from sensing flame. The pilot lights and the heater starts but no flame at the main will shut it rite down. See if this helps.

May 05, 2009 | Hayward H Series Millivolt 250,000 Btu...

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My glo-warm propane heater keeps shutting off automatically-pilot and all.

my heater says if the pilot light keeps going off automatically it is a safety function that means it does not have enough fresh air to operate

Nov 03, 2008 | Desa International Blower Glow Warm Wall...

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Pilot goes out!!

My manual shows three possibilities:  1) Insufficient fresh air available for combustion, so ODS kicks off gas flow 2) Low gas line pressure (should be between 11 and 14") or 3) ODS/Pilot is partially clogged.  Toll free number for ProCom is 877-886-5989.

Mar 09, 2008 | Procom ML300TBA Heater

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