Steam pipes used for water


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Old 09-06-14, 11:55 AM
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Steam pipes used for water

I was just at a friend's place that he just got. There used to be steam in the house, but all the steam radiators were replaced with fin-tube. However, in the basement I noticed that they just hooked the 3/4" copper to the existing steam pipes. The volume in the steam pipes is huge, so I'm not sure what the negative effects are, other than it must use a lot more energy heating those huge pipes up.
 
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Old 09-06-14, 12:02 PM
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Probably no big deal.

If it did save any fuel by going to smaller pipes, which I doubt it would, the cost to do so would FAR outweigh any fuel saving.

Remember that the heat from those pipes isn't 'lost', as it will radiate into the building.

Just how big are the pipes?
 
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Old 09-06-14, 01:25 PM
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It will radiate, but only it that 16" section of wall that it's in, and then that's probably it.

At least 2" OD.
 
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Old 09-06-14, 03:40 PM
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I wouldn't be concerned about it.
 
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Old 09-06-14, 03:49 PM
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Do you know if that's a common practice? Have you ever heard of it before?
 
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Old 09-06-14, 03:56 PM
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Yea it is. Maybe not 3/4 tubing but it's common to see steam converted to hot water. Usually you would want to see bigger tubing to fill the 2 inch pipes but if works it, it works.
 
 

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