Question about Whirlpool 40-Gallon 6-Year Gas Water Heater Liquid Propane BFG1F4034

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Pilot will not kick on, TCO Switch is where?

Pilot light off, tried to do the steps to turn it on, and it says on the status light code "end switch failed or TCO Limit Lockout, where is the TCO switch located?

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3 Answers

U can light the pilot lite,turn 2 ON it will stay lit 4 a couple of minutes then go out? If u turn the knob 2 low,med. It goes out pretty much immediately?I changed the thermocouple,blew the lines ou


Is the thermocouple secure, routed properly, no kinks, no sharp bends? Is the end of the unit properly aligned so the hottest part of the pilot flame is hitting the unit. Did you hold pilot switch in the light position for at least 30 seconds, before you set the gas valve to on? If all above OK, try this. Light the pilot using barbeque lighter once it lights keep the lighter on the t-couple for 30 seconds, then set the valve to ON and keep the lighter where it is. Once the main burner lights, remove the lighter. If the burner and pilot go off, your gas valve is bad.

Feb 17, 2015 | Rheem Richmond 75 Gal Natural Gas 6 Year...

1 Answer

Unit will not turn off


If your light stays on after water is shut off, your flow switch is sticking. YOu need to replace the flow switch. If your light shuts off, but the unit continues to heat and trips your tco, then your element is bad and the unit needs replacing.

Dec 18, 2013 | Bosch AE-9.5 PowerStar 1.5 GPM...

1 Answer

Honeywell WV8840B1109 temp control valve on water heater. Status light @ 4 blinks between 3 seconds indicating "high temperature shutdown" even though lighting pilot with water cold. .


II have exactly the same problem: Honeywell WV8840B1109 temp
control valve on water heater. Pilot is on, but the burner won't
no matter how high I turn the temperature knob. Status light blink
4, which by the controller is "high temperature shutdown" and has
nothing to do with the problem. The real problem is that the
computer chip in the controller has gone bad. Problem is solved by
changing a new gas control valve/thermostat. The old Honeywell
control valve uses pure mechanical stuff and was very reliable,
almost never has a problem. I don't understand why they switch to
this new electrical one which use the tiny voltage generated by
the thermopile to run, easy to break, because of the electric
chips, and is more expensive. The only reason I can think of is
that they want to get more money from our pocket.

Nov 01, 2012 | Water Heaters

1 Answer

We have an atwood lp gas water heater 6 gallon g6a7 white rogers control. The pilot lights but when we turn it to on it goes out, even after holding it up to a minute. It was running fine, we thought we...


If pilot stay lit, then thermocouple is working.
If pilot will light, then you have gas. If pilot goes out when pilot button is released, then thermocouple is next suspect.

Thermocouple tip must sit in pilot flame.
The pilot light heat applied to two different metals inside thermocouple causes small current.
The current travels back to gas control valve through copper line.
If the gas valve receive this current, then a magnetic switch stays open and allows gas into the gas control valve.
The magnetic switch is on the end of the red button you push down when lighting pilot. Essentially the red button is an override to the magnetic switch.
If the gas control valve does not receive the current, then the magnetic switch does not stay open when you release the red button.
When replacing thermocouple, note that it is not screwed very tight into the gas control valve. Finger tight + 1/4 turn. If it is overtightened, then the small thermocouple current shorts out against the gas control body.

Sep 01, 2012 | Water Heaters

1 Answer

Water heater pilot light is out, cant restart intelli vent controller


Possibly the air intake located at bottom of heater needs to be cleaned with feather duster under water heater.
Read your product manual for steps.
Copy following link for general illustration.
http://waterheatertimer.org/images/State-select-air-intake-400.jpg
http://waterheatertimer.org/pdf/Flame-Arrestor-Screen-Cleaning.pdf
Other causes can be bad intellivent gas control valve, poor venting, hot attic, low gas pressure, dirty combustion parts, tripped FV system.
Copy following link for available intellivent troubleshoot resources:
The service manuals are large files and open slowly.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Jul 26, 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

Pilot l.ight will not stay lit


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

Oct 20, 2010 | Whirlpool Water Heaters

1 Answer

Water tank will not light to heat water. I changed the thermol coupling that didn't work, what could be the problem?


The T.C.O switch which is located on the outside of the burner area needs replacing. It has two wire that connect to it from the gas valve. This switch controls the gas to the pilot burner tube. If it has tripped it will not allow the
pilot to stay lit or allow gas into the pilot tube.

Feb 10, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Hi: I have a atwood-6-gallon heater, the pilot works well but when I try to switch over to the main burner the pilot goes out time after time --- only used once. Thanks in advance Jim


This can be caused by a number of problems.
1. How long has the pilot been lit before you turn it to burner? It needs to warm up the end of the coupler. When you push in on the knob to light the pilot, hold it in for a while after the pilot lights. This allows more gas/hotter pilot flame to warm things up.
2. How fast are you turning it to burner? You need to do it really slow. The gas is under pressure and can blow out the pilot if you do it too quick.
3. Is there a blockage in the tube? Lady bugs, spider webs, etc. can cause a blockage and this problem. It's pretty common. (A long pipe cleaner will clean it out in a few seconds.)
If all of these fail:
4. It it getting too much/too little air? Check the air gap in the end of the tube. (Also called air manifold)

Feb 03, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

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