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Subject Author Date
Looking for furnace info Adam R 12-15-2007
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Posted by Adam R on December 15, 2007, 11:30 am
I just bought a house with installed oil furnace Lennox model o11 - 140.
Serial no. is hard to read but I think is 5873J00215. I'm looking for any
info about that furnace like how old can be, output BTU (input is 140,000
BTU/hr) and efficiency. I try to google for Lennox o11 but can't find
anything.

Thank you for any help
--
--------------------------------------
Adam Raszkiewicz
        Brothers-in-arts.com
--------------------------------------

Posted by Noon-Air on December 15, 2007, 11:37 am

>I just bought a house with installed oil furnace Lennox model o11 - 140.
> Serial no. is hard to read but I think is 5873J00215. I'm looking for any
> info about that furnace like how old can be, output BTU (input is 140,000
> BTU/hr) and efficiency. I try to google for Lennox o11 but can't find
> anything.

Ask your favorite local tech when you call him to get the furnace serviced.
I don't understand all I know about lummox serial numbers, but I would
venture to guess that its long past its normal design service life.



Posted by Adam R on December 15, 2007, 12:33 pm
On Sat, 15 Dec 2007 10:37:52 -0600, Noon-Air wrote:

>>I just bought a house with installed oil furnace Lennox model o11 - 140.
>> Serial no. is hard to read but I think is 5873J00215. I'm looking for any
>> info about that furnace like how old can be, output BTU (input is 140,000
>> BTU/hr) and efficiency. I try to google for Lennox o11 but can't find
>> anything.
>
> Ask your favorite local tech when you call him to get the furnace serviced.
> I don't understand all I know about lummox serial numbers, but I would
> venture to guess that its long past its normal design service life.

I spoke to guys and they are serviced that furnace for an old home owner,
but they didn't know anything about specs.

--
--------------------------------------
Adam Raszkiewicz
        Brothers-in-arts.com
--------------------------------------

Posted by Noon-Air on December 15, 2007, 12:40 pm

> On Sat, 15 Dec 2007 10:37:52 -0600, Noon-Air wrote:
>>>I just bought a house with installed oil furnace Lennox model o11 - 140.
>>> Serial no. is hard to read but I think is 5873J00215. I'm looking for
>>> any
>>> info about that furnace like how old can be, output BTU (input is
>>> 140,000
>>> BTU/hr) and efficiency. I try to google for Lennox o11 but can't find
>>> anything.
>> Ask your favorite local tech when you call him to get the furnace
>> serviced.
>> I don't understand all I know about lummox serial numbers, but I would
>> venture to guess that its long past its normal design service life.
> I spoke to guys and they are serviced that furnace for an old home owner,
> but they didn't know anything about specs.

Please re-read..... its probably long passed its design service life(usually
18 - 20 years)..... just a guess here, but your furnace if probably closer
to 35 years old. Manufacturers usually don't support equipment that is more
than 20 years old.



Posted by kool on December 15, 2007, 3:04 pm

>> On Sat, 15 Dec 2007 10:37:52 -0600, Noon-Air wrote:
>>>>I just bought a house with installed oil furnace Lennox model o11 - 140.
>>>> Serial no. is hard to read but I think is 5873J00215. I'm looking for
>>>> any
>>>> info about that furnace like how old can be, output BTU (input is
>>>> 140,000
>>>> BTU/hr) and efficiency. I try to google for Lennox o11 but can't find
>>>> anything.
>>> Ask your favorite local tech when you call him to get the furnace
>>> serviced.
>>> I don't understand all I know about lummox serial numbers, but I would
>>> venture to guess that its long past its normal design service life.
>> I spoke to guys and they are serviced that furnace for an old home owner,
>> but they didn't know anything about specs.
> Please re-read..... its probably long passed its design service
> life(usually 18 - 20 years)..... just a guess here, but your furnace if
> probably closer to 35 years old. Manufacturers usually don't support
> equipment that is more than 20 years old.

Plant# 58 (Marshalltown Iowa?)October 1973.(5873J) definitely a museum
piece.



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