Re: adding to existing steam boiler


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Posted by Harold Kestenholz - Hydronic Network on March 19, 2001 at 10:41:05:

In Reply to: adding to existing steam boiler posted by Tony on March 18, 2001 at 19:37:38:

If you extend large commercial baseboard as your condensate line in the basement, you will have the heat required without great expense or problems. Use 1 or 1-1/4 inch commercial steel pipe fin-tube sloping the baseboard slightly toward the boiler direction. At each bend use a street elbow and then a tee with one run plugged so you can drain mud from the baseboard run. The return water will cool from steam temperature to room temperature on the way back to the boiler, providing heat. The Slant-Fin site lists the baseboard output per foot. http://www.slantfin.com/prod-multipak80.html

You can do a heat estimate for free at http://www.hydronic.net

If you want to turn the heat on and off, however, it is better to use a closed loop hot water system off a heat exchanger at the boiler. You will need circulator control, expansion tank, and can then use copper baseboard at less expense. Weil-McLain provides a reasonable heat exchanger at your local plumbing supplier.


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