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Posted by Harold Kestenholz - hydronic.net on February 07, 2002 at 12:29:14:
In Reply to: Re: Watertube vs Firetube vs, Cast Iron Expected Service Life posted by Tom Stanton on February 07, 2002 at 09:09:28:
When you talk water tube, firetube, and cast-iron boilers, you are often discussing different ranges of pressure. Water-tube to 1500 psig, firetube to 250 psig and cast-iron in the 80 psig range max.
A cast-iron boiler is considered finished when several sections have to be replaced. A firetube and water tube boiler is George Washington's axe, they go on and on with retubing.
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