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Old 09-09-2018, 06:16 AM   #31
Rusty
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Quote:
Originally Posted by swnoel View Post
LOL... that boiler isn't 84% efficient. That efficiency is the burn of the burner not the efficiency of the boiler which can be high until is reaches steady state.
It could be the annual fuel utilization efficiency (AFUE) that he is talking about.
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