Lennox Hearth CR-3835R installation instructions 850,048M REV. N/C 01/2007, Orange, CA

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The manufacturer 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. © 2007 by LENNOX HEARTH PRODUCTS

1110 West Taft Avenue

P/N 850,048M REV. N/C 01/2007

Orange, CA 92865

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Contents Retain These Instructions For Future Reference Wood Burning Fireplaces 850,048M REV. N/C 01/2007OTL Report No -F-20-4 Table of Contents Typical Installation IntroductionGeneral Information Chimney Clearances and Mantel Height RequirementsAssembly Outline Chimney HeightChase Enclosure Before You StartAssembly Steps PRE-INSTALLATION NotesInstalling the Fireplace Fireplace ClearancesFireplace Specifications Consult all local codesFraming Specifications Installing the Chimney System 8d Nail Or EquivalentRoom Above Firestop Spacer Attic Above Or Ceiling 51mm** See **Note Min. Air Space to CombustiblesStabilizer Using a CTD Round Termination Using a FTF8/10-CTDT Chase TerminationRoof Pitch Flat to 6/12TEN Foot Rule Summary Multiple TerminationsFTF8 and FTF10 Chimney Component Calculations Special Offset InstructionsOffset Calculations Return Elbow Max Stabilizer 10 Max OffsetFTF8 Vertical Elevation Chart Number Of FTF8Inches Inches Feet/Inches MetersFTF10 Vertical Elevation Chart Number Of FTF10Chimney Only Chimney OnlyFTF8 Offset Elevation Chart With FTF8-SS Starter Section FTF8-S4Inches FTF10 Offset Elevation Chart JointsSection FTF10-ES30 Number of FTF10Installing Offsets Offset Elbow AssemblyReturn Elbow Assembly Combustion Air KitsGlass Doors Cold Climate InsulationFireplace Finishes Mantels and TrimHearth Extension Dimensions 20 508 mm 38 965 mm 203 mm12 305 mm Methods of Determining Hearth Extension and Wall ShieldFinish to Your Taste Value = 1/k = r x thickness of material usedRM = rM x TS = 0.05 x 3/4 = ModelInstallation Components Chase Termination 63L51 Square 63L52Cold Climate Kit 63L63 63L29Page 850,048M REV. N/C 01/2007 Orange, CA

CR-3835R specifications

The Lennox Hearth CR-3835R is a contemporary gas fireplace that exemplifies modern design and advanced technology, creating an ideal centerpiece for any stylish living space. This model seamlessly combines aesthetic appeal with functional efficiency, making it a sought-after choice for homeowners looking to enhance their interiors.

One of the standout features of the CR-3835R is its impressive heat output. With a heating capacity of up to 35,000 BTUs, this fireplace effectively warms up areas ranging from 1,000 to 1,500 square feet, ensuring comfort during chilly months. The adjustable flame height allows users to customize the ambiance according to their preferences, providing a cozy atmosphere or a striking visual display.

The CR-3835R boasts an advanced design that incorporates a sealed firebox. This feature not only improves energy efficiency but also ensures that outdoor air doesn't compromise indoor air quality. The fireplace utilizes an electronic ignition system, which enhances convenience and reliability. With the ability to operate even during power failures, the CR-3835R is a dependable addition to any home.

Another notable characteristic of the Lennox Hearth CR-3835R is its use of high-quality materials. The fireplace is constructed with durable steel and features a refined glass front, allowing an unobstructed view of the flames. The elegant design is complemented by customizable finishing options, enabling users to select styles that align with their interior decor.

In terms of safety, the CR-3835R includes features such as a built-in safety shut-off valve, providing peace of mind for homeowners. The fireplace is also certified for use in a variety of settings, including conventional and direct vent applications. This versatility makes it suitable for a range of installation options.

Moreover, the Lennox Hearth CR-3835R is designed with user-friendly controls, including remote operation capabilities. This function allows for effortless adjustment of settings from the comfort of one's seat, adding an extra layer of convenience to the overall experience.

In summary, the Lennox Hearth CR-3835R combines stylish design, high efficiency, and advanced technology. Its impressive heat output, customizable features, and user-friendly operation make it an excellent choice for those seeking a modern gas fireplace that enhances both comfort and aesthetics in their home. With the CR-3835R, homeowners can enjoy the warmth and ambiance of a traditional fireplace, redefined for contemporary living.
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