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  1. Boilers, Hot Water & Steam Heating
    I work for a company with an inventory of around 50 AO Smith Cyclone boiler both the XHE and Xi models ranging from 199,000 to 400,000 btu. Over the last 2 years we have had approximatley 25 failures - the failures are in the heat tube - the heat tube is failing (leaking). I am just wondering...
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