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Posted by The Daring Dufas on November 17, 2009, 1:08 am
Tony Hwang wrote:
show/hide quoted text
> cjt wrote:
>> Master Betty wrote:
>>>> Master Betty wrote:
>>>>> I just replaced the igniter and it's lighting. Oven works fine.
>>>>> I watched it as it went through the cycle and I noticed while the
>>>>> gas is on
>>>>> the igniter is on. When the gas goes off the igniter goes off.
>>>>> Is this correct?
>>>>> TIA
>>>>> Jim
>>>> Hi,
>>>> Comparing to a furnace ignitor's job is only igniting the gas. Once
>>>> gas is ignited ignitor goes off.
>>> Everything I've seen on the net suggests it stays on while it's
>>> burning. No wonder they burn out.
>>> Jim
>> On the ones I've dealt with, the igniter is in series with the valve
>> coil, so it's failsafe -- if the igniter fails the valve won't open.
> Hmmm,
> That does not make sense. Why ignitor has tp be kept on once gas ignite?
> No wonder it does not last. Wonder how many ignitors the oven will need
> in it's life span. Furnace has a flame sensor to watch flame.
> Very weird design.
A gas furnace with such an igniter has a draft inducer fan that will
blow any unburned gas out the flue. I assume since the oven in a home
kitchen has no such power vent, the designers err on the side of caution
and want no unburned gas to escape into a kitchen.
TDD
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Posted by Lp1331 1p1331 on November 17, 2009, 10:36 am
I have only replaced one of those, and I honestly don't remember if it
stayed on as described or not. A friend had a rental property that she
was finally unloading, and she thought the stove in it was better than
the one in her house, so I helped them swap stoves. (personally I would
have rather had the one originally in her house). Anyway, after getting
it installed in the house, the oven wouldn't work-- bad ignitor. I guess
in moving it, we jarred it enough to break it. I replaced it and seem to
recall the new one was about $25-30. I do know that the gas valve will
not open until the ignitor is on and glowing, and the instructions with
the new ignitor specified that amperage of the new one must match the
amps of the original for it to work. Personally, I like-- and have-- a
gas cooktop and electric ovens. Larry
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Posted by Hell Toupee on November 17, 2009, 10:02 am
Tony Hwang wrote:
show/hide quoted text
> cjt wrote:
>> Master Betty wrote:
>>>> Master Betty wrote:
>>>>> I just replaced the igniter and it's lighting. Oven works fine.
>>>>> I watched it as it went through the cycle and I noticed while the
>>>>> gas is on
>>>>> the igniter is on. When the gas goes off the igniter goes off.
>>>>> Is this correct?
>>>>> TIA
>>>>> Jim
>>>> Hi,
>>>> Comparing to a furnace ignitor's job is only igniting the gas. Once
>>>> gas is ignited ignitor goes off.
>>> Everything I've seen on the net suggests it stays on while it's
>>> burning. No wonder they burn out.
>>> Jim
>> On the ones I've dealt with, the igniter is in series with the valve
>> coil, so it's failsafe -- if the igniter fails the valve won't open.
> Hmmm,
> That does not make sense. Why ignitor has tp be kept on once gas ignite?
> No wonder it does not last. Wonder how many ignitors the oven will need
> in it's life span. Furnace has a flame sensor to watch flame.
> Very weird design.
I just had the ignitor on my GE gas oven replaced, and the service guy
confirmed this is how they work. My ignitor failed while the gas was
running, and in consequence the gas valve shut down.
He said they have an average lifespan of 6-7 years. Mine lasted 13
years, so I ain't complaining.
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Posted by Master Betty on November 17, 2009, 10:26 am
show/hide quoted text
> Tony Hwang wrote:
>> cjt wrote:
>>> Master Betty wrote:
>>>>> Master Betty wrote:
>>>>>> I just replaced the igniter and it's lighting. Oven works fine.
>>>>>> I watched it as it went through the cycle and I noticed while the
>>>>>> gas is on
>>>>>> the igniter is on. When the gas goes off the igniter goes off.
>>>>>> Is this correct?
>>>>>> TIA
>>>>>> Jim
>>>>> Hi,
>>>>> Comparing to a furnace ignitor's job is only igniting the gas. Once
>>>>> gas is ignited ignitor goes off.
>>>> Everything I've seen on the net suggests it stays on while it's
>>>> burning. No wonder they burn out.
>>>> Jim
>>> On the ones I've dealt with, the igniter is in series with the valve
>>> coil, so it's failsafe -- if the igniter fails the valve won't open.
>> Hmmm,
>> That does not make sense. Why ignitor has tp be kept on once gas ignite?
>> No wonder it does not last. Wonder how many ignitors the oven will need
>> in it's life span. Furnace has a flame sensor to watch flame.
>> Very weird design.
> I just had the ignitor on my GE gas oven replaced, and the service guy
> confirmed this is how they work. My ignitor failed while the gas was
> running, and in consequence the gas valve shut down.
> He said they have an average lifespan of 6-7 years. Mine lasted 13 years,
> so I ain't complaining.
Thanks. I never really checked to see if that was how they worked. Seemed
strange to me too, but TDD's explanation seems to make sense.
I bought 2 igniters in case the 1st one was a dud.
I got them on eBay for a 4th of what the local supplier wanted. :-)
Jim
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Posted by Stormin Mormon on November 17, 2009, 6:29 pm
I replaced a GE ignitor, today. $56.50 for the part. Plus
trip charge and labor, of course.
--
Christopher A. Young
Learn more about Jesus
www.lds.org
Thanks. I never really checked to see if that was how they
worked. Seemed
strange to me too, but TDD's explanation seems to make
sense.
I bought 2 igniters in case the 1st one was a dud.
I got them on eBay for a 4th of what the local supplier
wanted. :-)
Jim
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>> Master Betty wrote:
>>>> Master Betty wrote:
>>>>> I just replaced the igniter and it's lighting. Oven works fine.
>>>>> I watched it as it went through the cycle and I noticed while the
>>>>> gas is on
>>>>> the igniter is on. When the gas goes off the igniter goes off.
>>>>> Is this correct?
>>>>> TIA
>>>>> Jim
>>>> Hi,
>>>> Comparing to a furnace ignitor's job is only igniting the gas. Once
>>>> gas is ignited ignitor goes off.
>>> Everything I've seen on the net suggests it stays on while it's
>>> burning. No wonder they burn out.
>>> Jim
>> On the ones I've dealt with, the igniter is in series with the valve
>> coil, so it's failsafe -- if the igniter fails the valve won't open.
> Hmmm,
> That does not make sense. Why ignitor has tp be kept on once gas ignite?
> No wonder it does not last. Wonder how many ignitors the oven will need
> in it's life span. Furnace has a flame sensor to watch flame.
> Very weird design.