Question about Rheem 40 Gallon FVR NATGAS Low WATER HEATER 6YR 22V40SF

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Pilot does not stay lit when I release the knob after 1 min

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The button is part of the gas metering valve needs to be reset by calibration or replaced

Posted on Mar 22, 2011

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1 Answer

I light pI lot and it stays lit burners light and reach temp but then burners wont relight to keep temp unless I tap gas valve..is it my gas valve


A lot of pilot lights have a thermal coupler... the pilot light must be lit for several min to open the coupler so the pilot light will not go out.... the newer systems use an electronic ignition and no pilot light and need power to autostart but the coupler may be gone if you are holding that pilot start button down for several min and the pilot light is still going out..ps.. leave it in pilot mode for several min after initial start up before turning turning full burner operation operation operation operation operation operation operation it will snuff out the pilot light.

May 18, 2016 | Water Heaters

1 Answer

Sw6p suburban won't stay lit. My 6 gallon hot water heat on my 2007 camper won't stay lit, I go and light the pilot light and it lights but I turn the gas up and it blows out please help


the thermal couple is likely bad .
when you release does pilot stay lit or only as long as you hold the button .

if it stays lit then the thermal couple is good
if it only blows out as you turn on the heat then its draft issue.

May 09, 2015 | Water 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

I have a Whirlpool gas water heater. The pilot light won't stay lit. It ignites, but goes out when I release the RESET button.


replce thermal coupling. and be sure to hold down reset button for at least 60 seconds after it lights. then let it up slowly and turn knob to start. have a good day !!

Apr 09, 2011 | Water Heaters

1 Answer

Burner lites but goes out after 2 or 3 min.


the white rodgers gas control needs to be replaced;
the way it works is: the thermocouple opens the pilot gas circuit and, holds it open
when it heats up by creating a magnetic field in the gas control then: when you turn
the knob on the gas control to "on" a valve inside the gas valve opens the main gas circuit and, electricity supplied by your RV keeps it open.
the main gas coil inside the gas valve is defective and, can not hold the main gas circuit to the burner open anymore.

Jul 24, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

2 Answers

The pilot on My atwood water heater will not stay lit after I release the knob. I have replaced the thermocouple and have a nice blue flame.


Did you make sure the connection between the thermocouple and the control is tight and that the tip of the thermocouple is in the flame?

Jun 28, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

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

I don't know how to restart my old bosch water wizard 10p, pilot light has gone out.


get a long stick match, a flashlight remove lower inspection cover, find thermocouple and pilot light will be next to it,turn gas valve to pilot light and hold down,stick the match in by thermocouple till the pilot lights and hold valve down till pilot stays lit,this may take a minute or more,then release gas valve and see if pilot stays lit, if not retry,if it wont stay lit,the thermocouple is defective and needs replacement

Jul 12, 2009 | Bosch & Tankless LP Hot Water Heater

1 Answer

Lighting the pilot light


The steps involved can vary slightly depending on your furnace model and pilot valve type, so if possible try and find the instructions inside the furnace door cover or in the instruction manual. This is for a gas fired furnace, but applies to any gas-fueled appliance including water heater. Two of the most common types of pilot valve body assemblies either have a red reset button and a gas valve or no reset button and a valve knob that can be depressed. But whichever type you've got, if you have an older model furnace with a standing pilot (flame is lit all the time) then this is the basic procedure.
  • Turn you thermostat to 80 degrees or to a setting that will demand heat. Make sure the thermostat is in "Heat" mode.
  • Go to the furnace and find the pilot valve. The pilot valve body is a box shaped device into which the main gas line will run and is located near the gas burners. It will usually have a gas **** or valve knob that reads "On, "Pilot" and "Off." Locate this gas **** or knob.
  • Turn the knob or gas **** to the "Off" position and wait about 3 minutes for any residual gas to clear away.
  • Find the pilot. It's located near the gas burner tube assembly in the furnace.
  • Get your match or lighter ready. Sometimes the pilot is hard to reach. If possible, try and use a long fireplace match when you light it. If you don't have a fireplace match then a butane BBQ grill lighter works well too. If you don't have that, then you can fasten a match to the end of a stick when you light the pilot
  • If you have a pilot with a red Reset button, turn the gas valve from "Off," to "Pilot."
  • If you have a pilot with no red button, turn the knob from "Off" to "Pilot."
  • Place the lit match or ignited lighter tip at the pilot and depress and hold the button or depress the knob as appropriate. Depress the button or knob for about 30 seconds. This maintains gas flow to the pilot until the thermocouple gets hot enough to open the main gas valve.
  • Once the pilot stays lit, slowly release the button or knob and turn the gas **** or knob from the "Pilot" position to the "On" position. This will ignite the burners and keep the flow of gas supplied as required for the burners as called for by the thermostat.
  • If the burners fail to ignite then it may be because the thermocouple did not get hot enough to open the gas valve. Wait a few minutes and then repeat the above procedure. This time hold the red reset button or depress the knob for about 45-60 seconds.
  • Once the main furnace burners ignite, adjust the thermostat to the desired setting.
  • If you've followed the previous steps on lighting the pilot and it still does not light after, or will not stay lit, then you probably have a problem with the thermocouple or an adjustment needs to be made to the pilot. You'll need a furnace service technician to replace or repair these parts. You may find that the pilot lights, but it is an anemic looking flame. That's a different problem we'll look at in the next section.
  • If the pilot lights but the flame is a weak yellow flame, it will not get hot enough to heat the thermocouple to its set point allowing the gas valve to open.
    A natural gas flame should be a bright blue with the tip of the flame having just a tinge of yellow. A propane flame should have a bluish green flame with a tinge of yellow at the tip. The flame should be strong enough to hit the thermocouple tip about 1/2 inch from the tip end. If the flame is weak or shaky looking, check to see that a breeze or draft is not blowing on it. Adjusting the Flame
    There is usually a small screw on the pilot valve body that will adjust the flame. You may have to refer to the manufacturer's instructions to find the screw. Turn the screw as needed to adjust the flame throw. Yellow Flame
    A yellow flame is caused by lack of air and incomplete combustion. It can be caused by a dirty pilot tube tip. Split Flame
    This is caused by dirt in the pilot tube. Take a needle or small nail and gently clean the tube. Flickering or Wavering Flame
    A flame that flickers is usually caused by a draft.
Thanks for using FixYa - a FixYa rating is appreciated!!

Feb 18, 2009 | Water Heaters

1 Answer

Burner on new Whirlpool gass water heater will not stay lit


One of the proper ways to light a gas water heater, is to turn the black knob to Pilot, put a match to the end of the pilot light, while holding the match there, push the red reset button down and hold the match & the reset button down for one full minute. Then, release the reset button and turn the black knob to On. This should keep the pilot light on.

Jan 21, 2009 | Water Heaters

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