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Product Description
Fire Door for Climax 15" Fire Door Frame in 2 1/2" Scale. Scaled 2% up for shrinkage in Steel. Scaled at 1 : 5 to create nominal 3" diameter opening in the backhead to match the 7.5" Radius (15" Diameter) of the original on a 1922 16.7 H.P. Union Iron Works Boiler for a A-12 or A-15 Climax.