Thread: Thermocoupler
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Old 02-27-2008, 07:30 PM
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McLane McLane is offline
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Default Thermocoupler

Yet another question.

I have communicated with Jim off-forum about this, but thought I'd post this question here as well to see if other people have experienced a simmilar issue.

One of the people on the design team has brought a concern to the table that involves thermocouplers. The thought is that these things need replaced on gas oven and similar appliances from time to time. There is a concern that if a thermocoupler goes bad, that we will not be able to replace it.

Here's the question:

Have any of you had a thermocoupler fail?

I have 2 ideas that could help solve a potential problem. One would be to install more than one thermocoupler in a "zone", so if one fails, the other could be simply plugged in. This is what Nasa does with critical systems on the shuttle. Build multiple systems so that if one fails, there are 2 more that can perform. The other idea is to build into the oven, a series of 1/2" stainless tubes that a thermocoupler attached to a long metal rod could be inserted into the area where they would reside. This way, if the coupler failed, a simple removal and replacement could be performed.

What say you folks about these two options?
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