SL-350TRS Slim Line Gas Fireplace
      What is MSRP?
      Starting at $1,858

      See the SlimLine SL-350TRS burning

        SlimLine fireplaces fit where others don’t. Slender profiles with slim, flexible venting options offer an array of unique installation possibilities. TRS models provide greater heat output and enhanced flames with an upgraded ceramic burner, brick interior and detailed log set.

        • 14,400 – 20,500 BTUs
        • 28-inch viewing area (32, 36 and 42-inch viewing areas also available)
        • Multiple fronts, finishes and mantel options for a unique style
        • High efficiency heat output

        Key Features and Technologies

        Learn more about key product features and technologies.

        • Direct Vent Technology
        • IntelliFire™ Ignition System
        • Limited Lifetime Warranty
        • Fireplace Safety

        Is This Product Right For You:

        Room Size: (Learn More)
        BTU/Hour Input: (Learn More)
        Estimated Hourly Operating Cost: (Learn More)
        Recommended Maintenance: (Learn More)

        Current Offers

        • Sign up to Save $100
          Sign up to get your personalized coupon for $100 off a Heat & Glo fireplace, stove or insert. Offer expires 1/24/2016.

        SL-350TRS Slim Line Model Comparison



        Have complete control over your fire. Controls listed are tested and approved for recommended use with the hearth systems indicated.

        • WSK21
        • RCT-MLT
        • Smart-Stat
        • Smart-Batt
        • WSK200
        • WSK-MLT


        A variety of available front and operable door options offer a tailored appearance to any hearth. A wide range of color options will complement any home décor.

        • Finishes
          Folio Front
        • Finishes
          Chateau Front
        • Finishes
          Halston Front


        Change the look of the firebox with this metal refractory upgrade.

        • Metal Refractory


        An impressive selection of designs are available in a variety of material.

        • Finishes
          Belair Mantel
        • Finishes
          Bridgeport Mantel
        • Finishes
          Fairfield Mantel
        • Finishes
          Hastings Mantel
        • Finishes
          Mantel Kenwood-Corner Base
        • Finishes
          Kenwood Wall Cabinet
        • Finishes
          Kenwood Wall Cabinet with Base
        • Finishes
          Mount Vernon Mantel
        • Finishes
          Newport Mantel
        • Finishes
          Parsons Mantel
        • Finishes
          Phillips Hall Mantel
        • Finishes
          Plymouth Mantel
        • Finishes
          Roseville Mantel
        • Finishes
          Sonoma Mantel
        • Finishes
          Winchester Mantel
        • Finishes
          Yorktown Mantel

        Stone Surrounds

        Enhance the beauty of a fire with natural stone surround options in marble, granite and slate.

        • Beige Marble
        • Marron Brown Marble
        • Absolute Black Granite
        • Green Granite
        • Caledonia Granite
        • New Venetian Granite
        • Tan Brown Granite
        • Slate
        • Wheatfield Granite

        Cast Mantels

        Cast mantels in a variety of designs will accent any room.

        • Finishes
          Avalon Cast Mantel
        • Finishes
          Avalon Cast Mantel with Overmantel
        • Finishes
          Biltmore Cast Mantel
        • Finishes
          Biltmore Cast Mantel with Overmantel
        • Finishes
          Hearst Cast Mantel
        • Finishes
          Hearst Cast Mantel with Overmantel


        The shelf mantel is available in 48”, 59” or 72” lengths and with designs that accent any room.

        • Finishes
          Bennington Shelf
        • Finishes
          Covington Shelf
        • Finishes
          St Cloud Shelf

        Power Venting Technology

        Power Venting Technology makes it possible to install a gas fireplace virtually anywhere.

        • Power Venting Technology

        Termination Caps

        As the finishing touch, termination cap options are both functional and beautifully designed.

        • High Wind Vertical Termination Cap
        • Horizontal Termination Cap
        • Basement Termination Cap
        • High Performance Termination Cap
        • FireBrick Termination Cap for Gas
        • High-Rise Termination Cap
        • Decorative Radius Cover
        • Safety Shield

        Dimensions in inches. Refer to installation/owner's manual for detailed specifications on installing this product. Hearth & Home Technologies reserves the right to update units periodically. Product installation must adhere strictly to instructions shipped with product.

        Model Specifications


        Unit Front Width: 33
        Framing Front Width: 34
        Unit Back Width: 22-3/4
        Framing Back Width: 34
        Unit Height: 32-3/8
        Framing Height: 32-3/4
        Unit Depth: 16-1/4
        Framing Depth: 16-1/4
        Glass Size: 24-3/16 x 16
        BTU/Hour Input: 14,400 - 20,500

        Efficiency Chart


        Steady State: 77%
        Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary based on the type of fuel burned and the venting configuration used. Actual product appearance, including flame may differ from image shown. Refer to the Owners Manual for complete clearance requirements and specifications. Product specifications and pricing subject to change without notice. For testing and listing information please refer to the owners/installation manual.
        *For select products: Heating capacity to be used as a guide only. See your local dealer for help in determining the product that best suits your heating needs based on climate and home efficiency.
        For wood-burning appliances: Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used, and installation.

        Product Brochures

        Architect Guides

        Installation Manuals

        Service Parts

        CAD Drawings