What causes burner plates to melt on efm model df520 coal boiler

steve lindholm Posts: 1, Reputation: 1

New Member

Jan 28, 2013, 11:38 AM

What causes burner plates to melt on efm model df520 coal boiler

In two years I replaced boiler plates twice- they melt- why ? Also seem I get too much unburned coal in the "fines" clean-out

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