Lennox Hearth LA41TCF, LA41CF installation instructions 504,217M REV. E 04/2007

Page 20

Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information.

Printed in U.S.A. © 2000 by Lennox Hearth Products	1110 West Taft Avenue
P/N 504,217M REV. E 04/2007	Orange, CA 92865

Image 20

Contents WH Report No. J20017261-231 Retain These Instructions For Future ReferenceWood Burning Fireplaces P/N 504,217M REV. E 04/2007 Table of Contents Typical Installation PrecautionsIntroduction Clearances and Height RequirementsAssembly Outline Chimney HeightChase Enclosure Before You StartAssembly Steps PRE-INSTALLATION NotesInstalling the Fireplace ClearancesFireplace Specifications Blocking Metal Safety StripsFront Left SideFraming Specifications 8d Nail Or Equivalent Installing the Chimney SystemChimney 30 Offset Through Floor Or Ceiling Roof Pitch Model Flat to 6/12 12 to 12/12FTF8-S4 Stabilizer FTF10 Chimney Do Not Seal Flashing Spacers FTF10 FlashingUsing a FTF10-CTDT Chase Termination Using a FTF10-CT1 Chase TerminationUsing a FTF10-CT2 Chase Termination TEN Foot Rule SummaryOffset Calculations Multiple TerminationsSpecial Offset Instructions FTF10 Vertical Elevation Chart FTF10 Offset Elevation Chart Installing OffsetsOptional Equipment Considerations Glass Doors Cold Climate InsulationFireplace Finishes Mantels and TrimHearth Extension Dimensions Using the k formula MinimumUsing the r formula Minimum Value per Inch Methods of Determining Hearth Extension and Wall ShieldCalculating Minimum Thickness if Multiple Materials are Used Value = 1/k = r x thickness of material usedMin. Distance To Installation ComponentsFinish to Your Taste Round Termination 63L423 504,217M REV. E 04/2007