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I was amazed...

Jean-David Beyer
Jean-David Beyer Member Posts: 2,666
In the Resources tab, I found this:

<a href="http://www.heatinghelp.com/article-categories">Article Categories</a>

/ <a href="http://www.heatinghelp.com/resources">Resources</a>

/ <a href="http://www.heatinghelp.com/article-categories/10/Library">Library</a>

/ <a href="http://www.heatinghelp.com/article-categories/135/General-Electric-Oil-Equipment-Servicemans-Guide-August-15-1964">General Electric Oil Equipment - Serviceman's Guide, August 15, 1964</a>

And in there was the GE L1 type steam boiler that my grandparents had. I cannot remember exactly which model theirs was; perhaps the LA-6. It was a three story house and even had heat in the garage (that was turned off).

And also, the GE LA-L type hot water boiler that I had until this past May. I had to replace the actual burner with a Beckett about 30 years ago because my contractor could no longer get needed parts for the GE, but the boiler must have lasted 60 years. Instead of firing down from the top, the Beckett fired into what they call the "access door" on one of the pictures. My "access door" was glass or quartz, so I could see the flame. I was sorry that they had to remove that.

I think it very interesting that both their steam boilers and their hot water boilers were so similar. They both fired down from the top. They injected secondary air at the bottom, and the flue exited the bottom of the boiler. I suppose that reduced the amount of heat that escaped the flue when the unit was not firing.

It says my old unit put out 100K BTU/hr gross output. Since the house was built, I added major amounts of insulation (walls downstairs now solid urea formaldehyde foam; upstairs now at least 6 inches of fiberglass. Old single-glazed windows replaced with Marvin double-glazed argon-filled, optically coated windows, etc. The Beckett claimed 70K BTU/hr input, and according to my heat loss calculations, the house needs only between 30K to perhaps 40K all together. Maybe 100K, or even 70K accounts for the rapid cycling I used to get.

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