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FV sensor went out when ainting the basement floor. The fumes burned out the sensor, purchased a new sensor, went to install and nothing happens. AO Smith water heater pro/Max

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I find that most times when people think something is wrong and "FIX" it "BUT" it doesn't help, that just wasn't the correct diagnosis.
You may do better to look inside your info. that came with your W/H or call the company directly.
You didn't say how old it is. In some cases if the W/H is less than 1 year old they will repair it at no cost.
Hope This Helps;
JSTACH

Posted on Sep 07, 2009

Testimonial: "thank you....the heater was only 9 month old...did some calling but ended up looking in the internet and found the solution in the tech manual."

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Posted on Jan 02, 2017

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Richmond gas water heater need reset code


Intellivent gas control can be reset on some units.
Honeywell does not make Intellivent.

1) Copy following links:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html
http://waterheatertimer.org/How-to-replace-thermocouple.html

2) For Rheem, there is a glass vial that is broken if FV system tripped.
This requires new glass vial, which Rheem may send depending on model.
It might also require new parts such as gas control valve, and/or replacement FV sensor depending on model.
Some models require full replacement of water heater.
Each model can be different.

3) Rheem does not post service manuals, and says customers should call service technician.
Combustion parts are held in place with tamper-proof screws and combustion door gasket might need to be replaced when removed from front of unit.

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93 olds cutlass ciera has rough idle, pops, smell fumes inside and then dies


engine check light means fault codes to be read are stored in ecu

fuel pump delivery
timing
idle control sensor
air filter /maf ?

got spark if it starts up again after stopping?



index-4l3mo04yvnp2xdvhjfffy5rf-3-0.jpg

Apr 16, 2017 | 1993 Oldsmobile Cutlass Ciera

1 Answer

Detecting gas and won't light


Open following link for troubleshoot error codes showing 7 flashes on Honeywell gas control valve is system lockout due to flammable vapor:
http://waterheatertimer.org/pdf/Honeywell-gas-control_error-Damper-series.pdf
The FV system in Rheem can be tripped by presence of flammable vapors such as gasoline or paint fumes etc, or it can be tripped if water heater was dropped, or mis-manufactured, or if gas control valve is defective, or if water heater is not getting adequate fresh air, or there is inadequate venting of combustion by-product.
When combustion chamber overheats, then glass vial breaks and damper shuts off air supply to water heater and it will not light.
Open following link for possible help fixing the problem:
http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html

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I have just purchased three First Alert carbon monoxide alarms. My home has a basement and bedrooms on the first and second floors. My questions stem from the installation. Should the installation...


When I worked Electrical in a Hardware store we were told by Nighthawk and f\First Alert and we told our customers that you want the detectors 4-6 feet off the floor never near a water heater or furnace since this can cause false alarms. The CO will rise, so one on each floor should be enough near a central stair if possible. Other wise make sure at least one is in the bedroom.

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1 Answer

I have a GPVH 40 100 AO smith hot water heater.The FV (flammable vapor) sensor has been setoff from us painting the floor yesterday. How do I reset the unit?


AO smith manuals
http://www.hotwater.com/lit/im/r-gas.html

GPVH series manual
http://www.hotwater.com/lit/im/res_gas/315465-000.pdf
You can search the manual for FV

The FV sensor shorted because it detected flammable gas

Quote manual:
Flammable liquids (such as
gasoline, solvents, propane (LP or butane, etc.) and other substances
(such as adhesives, etc.) emit flammable vapors which can be ignited
by a gas water heater's hot surface igniter or main burner. The
resulting flashback and fire can cause death or serious burns to anyone
in the area. This water is equipped with a FV sensor for detecting the
presence of flammable vapors, see Figure 3. When the sensor detects
those vapors, the unit will shut down and not operate. Should this
happen, please refer to the troubleshooting guide on pages 28-30.

Troubleshoot step 14-15 says
replace the FV sensor
call tech assistance number that shows on water heater
AO Smith will refer you to a plumber
I don't believe homeowner can buy these parts due to Federal regulations
The shorted FV sensor probably saved you a flash-over
The cost of 2nd degree burns from a flash-over would be astronomical.
Fortunately you're ok, and the other folk in the room are ok.
In the old days.
Two guys I knew, winter 1978 Chicago, were laying VA tile using the black mastic.
They were killed and the house burned down because of the water heater.
Main office marked the event with a memo saying they still owed money on their account.

The only company with a re-settable FVIR that I'm aware right now is Bradford White
http://www.thetankatwaterheaterrescue.com/forums/forum3/2679.html
http://411plumb.com/bradford-white-defender-water-heater-review
Bradford White Defender FVIR is resettable without buying parts.
324e006.jpg

Oct 24, 2010 | Water Heaters

1 Answer

This just happened to our Kenmore Elite -- just as I was about to go to bed I smelled fumes and went downstairs to our kitchen and saw thick smoke and smelled awful fumes. I will contact Sears/Whirlpool...


You WERE VERY LUCKY, indeed. Thank goodness.
With a problem that indeed causes fire and burning, I ,myself wouldn't get it repaired, if i was in a position to repair or replace, i would replace with a nice new one, with a warranty, and, also, it is less likely to have a repeat of what has happened due to the newer technology.
Nothing that "Smells" in the electrical world is cheap...
also if you do anything get a "Quote" first before you start any repair.

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We have a Rheem powervent gas water heater (50 gallon). We can't seem to get the pilot light lit, it won't light at all. The Flammable vapor sensor code flashed. We had a fire in the basement but the tank...


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Please rate if this helps-

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Check your oven for flame color; what you are describing could be deadly. It is possible that you have an air vent clogged or blocked causing the flame to burn yellow indicating incomplete combustion and possible source of carbon monoxide. This is very dangerous and I would strongly recommend you purchase a carbon monoxide detector. We have one on the main floor and one in our basement. 
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