HI Artography - Old Boiler

[Mike Lamb]

[Les]

WOW been a long time since I have seen an old girl with her jacket off!

 

[Tom Raymond]

Are nudes allowed here?

[Marc]

I'd set it up in an HI classroom, completely operational.

I'm guessing that duct on top is the flue, so where is the heat siphoned off to warm the house?

[John Ghent]

Looks like a steam boiler converted to hot water.  There are at least two circulators on the right side.

[Jim Katen]

Why do you think it was originally steam and not hot water? 

[Bill Kibbel]

On 9/29/2018 at 9:55 AM, John Ghent said:

Looks like a steam boiler converted to hot water.  There are at least two circulators on the right side.

That boiler was manufactured for a gravity hot water system. 

[John Ghent]

4 hours ago, Bill Kibbel said:

That boiler was manufactured for a gravity hot water system. 

On second look Bill is correct.

[Marc]

I thought gravity systems contained steam and condensate in a one pipe configuration.

[Bill Kibbel]

Marc,

You described a one-pipe steam system. 

A gravity hot water system  is... well Dan can describe it in much more detail here: https://heatinghelp.com/systems-help-center/gravity-hot-water-heating-q-and-a/