very basic help needed oil fired hot water


  #1  
Old 09-21-04, 08:58 AM
griffinhall
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very basic help needed oil fired hot water

We have a hot water system with 18 cast iron rads controlled by two thermostats. I do not beleive we have an expansion tank as there is not one in the attic. We need to replace a few rads, add a few and remove a few. All we know about these syystems is what I have included here. We are very handy, doing our own electric and plumbing , and need to learn about his sysem. We need an easily understood book, preferably with lots of pictures that would help us with the aforementioned tasks, as well as give us advice on what to replace old radiators with and how to and how often to flush the system. Can you help? Also , if you have a recommendation on a new stlye radiator replacement. Our kitchen rad is leaking and would like to replace with a more modern space saving type that would not interfere with the other cast iron ones in the same zone.

Thank you

June & James
 
  #2  
Old 09-21-04, 10:26 AM
Ed Imeduc's Avatar
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Wink

Well for the oil burner try www.freepoolheat.com/oil.html

Or come back here when you get to the burner

on the boiler go http://heatinghelp.com

and www.slantfin.com for baseboard heaters


You can have a small ex tank down there by the boiler
ED
 
  #3  
Old 09-21-04, 01:51 PM
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The only thing that puts out an amount of heat close to what your radiatirs do is a fan unit. It is a fan behind a finned copper heat exchanger. I don't believe it would be practical or cost effective to install them in place of the radiators and unless you insulated, you should be careful about taking radiators out and leaving them out. If you decide to change the whole system to baseboard, you can calculate how many feet you need by measuring you old radiators width and height and number of tubes/columns, and sections, then convert that to square feet of radiation. That number can be converted to btus and you can then get the right length for the new baseboard. It is a complicated process but it pays off when you have everything finished and it works.

The expansion tank is probably in the basement if it is not in the attic. Make sure you don't have a steam system before you take things apart. Hot water systems don't need to be flushed and are better off with as little fresh water added as possible. Steam systems need their low water cutoff chambers flushed (weekly).


Ken
 
  #4  
Old 09-21-04, 06:07 PM
H
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Books

Try "Pumping Away" , by Dan Holohan. Easy reading and in layman terms. Available at Heatinghelp.com
"The Lost Art of Steam Heating" (same writter) has tons of info on calculating a radiators square ft of EDR by how it looks, the number of rows dimentions (etc.)...
Personally I think your looking to take on too much, but who knows?
 
 

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