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P/N 775,005M Rev. M, 12/03 IMPORTANT WARNINGS IMPORTANT WARNINGS 1. If utilizing an older chimney, it must be inspected for adequate serviceability. Refer to the heading Chimney Inspection on page 4. 2. Install only in masonry fireplaces, built to UBC 37 or ULC S628 standards or A factory built fireplace built to UL 127 or ULC S610 standards. 3. The minimum clearances must be maintained for all combustible surfaces and materials including; furniture, carpet, drapes, clothing, wood, papers, etc.