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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

 
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  #1  
Old 3/28/07, 9:58 PM
mthomas2 mthomas2 is offline
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Default Age for Dunkirk Boiler - Client needs for Insurance

Series: PVW150
Model: 229 962450
SN: 77061350


Full Plate (89863 Bytes)


ECR (Dunkirk) is not being helpful, and I don't want to "guess".
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Old 3/28/07, 11:47 PM
Ted Allen Ted Allen is offline
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Default Re: Age for Dunkirk Boiler - Client needs for Insurance

I wish I could help. Sorry Mr. Thomas.
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  #3  
Old 3/29/07, 2:43 AM
Russel Ray's Avatar
Russel Ray Russel Ray is offline
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Default Re: Age for Dunkirk Boiler - Client needs for Insurance

Quote:
Originally Posted by mthomas2
Series: PVW150
Model: 229 962450
SN: 77061350




Full Plate (89863 Bytes)


ECR (Dunkirk) is not being helpful, and I don't want to "guess".
Very useful plate for my ongoing research since I had no information that Dunkirk had ever manufactured for Sears.

It's a 1977 furnace. The only thing I don't know for that specific serial number is whether Dunkirk was using a month system for the third and fourth digits (01-12, in which case it would be June), or whether they were using a week system for the third and fourth digits (01-52, in which case it would be February). That notwithstanding, it is a 1977 furnace. Dunkirk quit manufacturing in 1978, by the way, sometime around June-July.



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Old 3/29/07, 8:33 AM
mthomas2 mthomas2 is offline
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Default Re: Age for Dunkirk Boiler - Client needs for Insurance

Dunkirk is still around, as an ECR brand:

http://www.dunkirk.com/products_cast_iron.asp

I just have not been able to get the date info from them.

I'll be trying again today.
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Old 3/29/07, 10:28 AM
mthomas2 mthomas2 is offline
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Default Re: Age for Dunkirk Boiler - Client needs for Insurance

OK, here's the story, per Dunkirk tech support:

For all Dunkirk models the week is the first two digits and a year the third and fourth, of the serial number.

"So this unit was manufactured in the 77th week of 2006?"

"Err..."

I eventually ended up providing Dunkirk with a high res photo of the plate , provoking generalized consternation at the other end: the serial numbers is for a steam boiler, but the series and model number are for a water boiler ( which is what this was - and definitely not a conversion).

The best Dunkirk could do was to identify the model as one introduced in the early to mid-1990s. The latest service tag on the unit was dated 2003, and that's as close as anybody can seem to get to narrowing down the date range unless I go back, take a look, and the gas valve is stamped with a date.

But FWIW Dunkirk *swears* that it should be ww/yy in the serial number, no exceptions.
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Old 3/29/07, 10:56 AM
Russel Ray's Avatar
Russel Ray Russel Ray is offline
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Default Re: Age for Dunkirk Boiler - Client needs for Insurance

Quote:
Originally Posted by mthomas2
Dunkirk *swears* that it should be ww/yy in the serial number, no exceptions.
Everything I have over the years indicates otherwise. Probably the guy/gal was simply having an off day. But it is useful knowing that the third and fourth digits are the week. Thanks for that little tidbit which I can now add to my Dunkirk file.



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  #7  
Old 3/29/07, 1:48 PM
mthomas2 mthomas2 is offline
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Default Re: Age for Dunkirk Boiler - Client needs for Insurance

Sorry my post was not clear, the format is:

SN:wwyynnnn
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