Randall
>
> Just for contrast, my natural gas furnace appears to
> be original to the house, making it over 40 years old.
> I've lubricated the bearings once in 15 years, and the
> previous owner may have replaced the thermocouple once.
To add one more...
I recently had to replace the furnace and air conditioner on my house.
Actually the furnace was still working, but the air conditioner died so
we replaced both as a package deal.
It was about 40 years old also. The only thing done to it in all those
years was a new blower motor the previous year (and I had to find a
universal motor since it was not in the books anymore).
Furnaces will last a very long time. Oh yea, I doubt that mine ever got
any more maintenance than the one time that I oiled the bearings.
Tim Mullen
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