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How Tight should Firebrick be

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by JrCRXHF, Dec 12, 2011.

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  1. JrCRXHF

    JrCRXHF Burning Hunk

    Joined:
    Apr 28, 2008
    Messages:
    217
    Loc:
    Mid, Michigan
    I am putting some new firebrick in my harman boiler i bought used and the front two are tight i already cleaned the surface really well. My question is what is the expansion rate of the fire brick and is this going to put stress on the boiler. I wonder if i should take a 1/8 inch off them to give them a little room to grow.

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