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Mica window on burner door.

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Alan (California Radiant) Forbes
Alan (California Radiant) Forbes Member Posts: 4,005
in THE MAIN WALL
This is on a Hydrotherm boiler that sooted up and destroyed the mica window. Is mica still available?


8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

Two btu per sq ft for degree difference for a slab

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  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,540
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    Don't know. I suppose you could use a piece of sheet metal in it's place pop rivit it to a spring loaded hinge or put it on with sheet metal screws
  • ScottSecor
    ScottSecor Member Posts: 856
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    Haven't seen mica in a while.... Not that I'm proud of it, but I have been known to use a 1900 electrical box blank cover in a pinch.
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,540
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    @ScottSecor

    Those box covers are quite handy. Their good for shimming boilers. Or on an electrical panel when the knockout comes out......you know, the one you didn't want to remove, screw the box cover to the panel and make a new knockout in the box cover.

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