ST-550T See-Through Gas Fireplace
      What is MSRP?
      Starting at $3,097

      Connect and infuse two spaces with authentic warmth and ambiance. These thin gas fireplaces feature a slender profile with slim, flexible venting options offers an array of See-Through installations. Enjoy the power of fire in dramatic new ways.

      • 14,000 - 21,000 BTUs
      • 32-inch viewing area
      • Multiple front and finishing options
      • Remote or fan option upgrades

      Key Features and Technologies

      Learn more about key product features and technologies.

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

      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)

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      ST-550T See-Through Model Comparison



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

      • Smart-Stat
      • WSK200
      • RCT-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
        Clean Face Front
      • Finishes
        Chateau Deluxe Front
      • Finishes
        Halston Front


      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
        Portico Mantel w/Filler
      • Finishes
        Portico Mantel w/o Filler
      • Finishes
        Portico Mantel w/Filler painted
      • Finishes
        Roseville Mantel
      • Finishes
        Sonoma Mantel
      • Finishes
        Winchester Mantel
      • Finishes
        Yorktown Mantel


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

      • Finishes
        Bennington Shelf
      • Finishes
        Covington 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

      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: 37-5/8
      Framing Front Width: 38-1/8
      Unit Back Width: 37-5/8
      Framing Back Width: 38-1/8
      Unit Height: 34-1/2
      Framing Height: 34-3/4
      Unit Depth: 16
      Framing Depth: 15
      Glass Size: 27-3/16 x 18-1/16
      BTU/Hour Input: 21,000

      Specification Images

      There are no specification drawings for this product.

      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.

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