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My White Rodgers Gas Valve 37C72U keeps going out. It burns well for ten to twenty minutes and then just shuts off. It lights first press but goes out again after the above time. All flames appear good. Can I adjust the pilot flame size?

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  • David Green Mar 27, 2011

    The pilot flame looks OK and the thermcouple is clean and glows red. I have changed the complete burner assembly with one I know works elsewhere but the same thing happens to it.

  • David Green Mar 30, 2011

    Thank you, however I have covered all the basics and still not found a solution.

    I was hoping for something a little more technical.

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First thing to do is make sure there's no draft blowing the flame out. While the flame is lit watch it closely for a minute or 2. If it flutters back and forth rapidly there' a strong possibility that a mild breeze is blowing the flame out. This can happen if a door is opened or closed nearby.
As for adjusting the flame, There's an adjustment screw below the feeder line that can adjust the flame up or down.

Posted on Mar 27, 2011

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Have you replaced the thermocouple connected to the gas valve?if they get bad they will shut off gas flow,and no you cannot adjust the pilot flame size which is controlled by the valve also

Posted on Mar 27, 2011

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1 Answer

I have the White Rodgers Intellivent on an OA Smith propane hot water tank, but cannot get any lights on the controller, even after shutting off the power and then back on. The plug is hot and the uni


The plug is HOT?
Unplug immediately.
Is the outlet hot? Is the circuit breaker hot. Have you had a surge event or nearby lightning strike?
Do you have electrical issues in home?
Add a comment.

Test outlet for correct polarity, and test for overvoltage and short.

The intellivent is very susceptible to surge and will stop functioning.
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf

Copy following link for troubleshoot by type of gas control valve.
Including intellivent service manual.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Sep 09, 2012 | RTO W4 A.O Smith Gas Hot Water Heater...

1 Answer

I have a AO Smith GPS 75 200. The power is on, however the temp control does not light up and nothing is working. Is the White Roger thermostat gas valve shot, is there some test I could do to make sure...


You have AO Smith tank-type power vent water heater with FVIR flame arrestor.
1) I believe this system has White Rodgers intellivent gas valve, with led indicator lights.
To test if valve is operational:
-NORMAL operating mode displays no lights on gas valve.
-Unplug unit from electrical outlet and plug back in. All lights on gas control should display for 1-5 seconds.
-Press BOTH Hotter and Colder temperature buttons for one second to 'wake up' the control, and release buttons and LED will display temperature.
-Press Hotter or Colder and see if any indicator light shows on gas valve.
This will give baseline if gas valve is functioning.
-Intellivent gas valve requires outlet that is wired 100% correctly. Test outlet with circuit analyzer.
-Water heater must be properly grounded for intellivent to operate.

2) Open following link to identify gas valve and download possible service manual with error codes and testing procedure. Service manual is a large file and will probably not load on dial-up.
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#intelli

3) Open following link for AO Smith manuals and service handbooks.
Shows same intellivent service manual, and shows manuals for power vent, but does not specifically list the GPS75 series
http://www.hotwater.com/resources/product-literature/service-handbooks/

4) Take a moment and rate answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Sep 08, 2011 | Water Heaters

1 Answer

I have an A. O. Smith Model FPSH 40-261 hot water heater. It won't heat water. there is a green light on the control flashing. What does it mean?


AO Smith uses the Honeywell ICON gas valve with green indicator light.
Some models use White Rodgers Intellivent with a row of indicator lights.

The gas control blinks the error code:
Open following links to identify gas control thermostat and read possible error codes:
http://waterheatertimer.org/pdf/Honeywell-Gas-Valve-LED-Codes-2000.pdf
http://waterheatertimer.org/BW.html#Temp
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#intelli

Jul 18, 2011 | Water Heaters

1 Answer

My white rodgers control panel is set on vacation (green light) is on. I have held down the arrow buttons to get it off of vacation mode but it is not working. Obviously i need to switch it off as we have...


Water heater and gas valve are not clear:
Add a comment with description of water heater and gas valve for possible help.

Open following link for White Rodgers intelli-vent gas valve thermostat:
http://waterheatertimer.org/pdf/Intelli-vent-gas-valve2.pdf
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#Intellivent

1) Typical instructions for Kenmore and AO Smith water heater with Intelli-vent say:
Set on-off switch to ON position.
Hold down both arrow buttons for 1 second.
Then press hotter button.

2) Also check that 120Volt electrical outlet has power, and check outlet with cheap circuit analyzer from home center.
3) If Intelli-vent gas valve thermostat is malfunctioning, and won't reset, then contact manufacturer of water heater for replacement gas valve.
Label on side of tank will have Model number, manufacturer, type of gas LP NG, serial number for part ordering.

Add a comment for more help.

Jun 10, 2011 | White Rodgers 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

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