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Posted by Biagi on May 03, 2002 at 15:51:02:
In Reply to: Watertube vs Firetube vs, Cast Iron Expected Service Life posted by Joye Chizek on February 06, 2002 at 11:46:04:
: Bryan Steam has long printed a brochure that has a Boiler Longevitiy Chart showing Watertube at 40 years, Cast Iron at 35 years and Firetube at 25 years. They reference no study or report for these claims. Does anyone know of an ABMA, ASME, ASHRAE or other study on the comparative longevity of these three boiler type?
: Joye Chizek
We must assume you are talking about the small heating boilers and with that in mind I can assure you that the above statement does not hold true at all. On top of that, water maintenance in heating systems is the main contributor to any boilers life expectancy provided it was sized and installed properly. The next biggest contributor is follow up maintenance provided by knowledgeable people. If you are referring to commercial boilers than your statement begins to hold some truth. If I can be of further assistance please email me and I'll try to elaborate.
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