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Posted by HeatPro on September 17, 2004 at 09:15:33:
In Reply to: sizing my boiler posted by john on September 17, 2004 at 08:00:47:
The prudent allowance used by the IBR ratings method is to add 15% to the heat load to allow for piping and pickup allowances of a hot water system - so: 96,000 btuh output. Input would require knowing the efficiency of the unit, for instance:
at 85% efficiency another 1/7th is needed.
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