B. Glass Doors

If your fireplace is equipped with glass doors:

•Glass doors should be in fully open poisition when appliance is operating.

•Operating in the closed position will block the radiant heat output and may cause incomplete combustion of the gas and minimize overheating of any valve installation.

WARNING

Fire Risk

Explosion Risk

Do not close the glass doors during appliance operation.

•Could cause incomplete combustion of the gas.

•Glass doors may be closed when the hearth kit is not being used.

C. Important Safeguards

•Other Fuels

-Although your gas log set is very realistic in appearance, it is not a real woodburning fire and must not be used for burning any fuel other than natural gas.

-To avoid irreparable damage to the appliance and/or personal injury, wood, matches, paper, garbage or any other material must not be placed or thrown on top of the logs.

•Appliance Safety

-To avoid personal injury, do not touch hot surfaces when the appliance is operating.

-Always ensure that the fireplace screen is closed when the appliance is operating.

-Close supervision is necessary when the appliance is being used near children.

•Do not remove any of the attached metal plates, which contain important safety and operating information.

•Keep the appliance area clear and free of all combustible materials, gasoline and other flammable vapors and liquids.

WARNING

Do NOT use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

•A qualified service technician must perform installation and repair. The appliance should be inspected and cleaned annually by a qualified service technician. More frequent cleaning may be required due to excessive lint, dust, pet hair, etc. It is imperative that the control compartments, burners and air passageways are unobstructed during operation.

-Review proper placement of logs, rockwool, lava rock, sand or vermiculite.

-Ensure there are no gas leaks.

-Ensure the flow of combustion and ventilation air is not obstructed (front grilles and vent caps).

•Before installing into a solid fuel burning fireplace, the chimney and firebox should be inspected and cleaned to remove soot, creosote, ashes, paint, bird nests etc.

•Annual examination of the chimney must be performed by a qualified agency to ensure proper ventilation of flue gases created by this appliance.

•Have the chimney and adjacent structure inspected and cleaned by qualified professionals. Hearth & Home Technologies recommends that NFI certified professionals, or technicians under the direction of certified professionals, conduct a minimum of an NFPA 211 Level 2 inspection of the chimney.

•Replace component parts of the chimney and fireplace as specified by the professionals.

•Ensure all joints are properly engaged and the chimmney is properly secured.

•Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame pattern.

•Do not use a blower insert, heat exchanger insert or other accessories not approved for use with this appliance. Solid fuels shall not be burned in a fireplace where a decorative appliance is installed.

•If glass doors are present, the glass doors must be fully opened while appliance is in operation.

WARNING

Fire Risk

High Temperatures

Keep combustible household items away from appliance.

Do NOT obstruct combustion and ventilation air.

•Do NOT place combustible items on top of or in front of appliance.

•Keep furniture, draperies away from appliance.

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Hearth & Home Technologies • Fireside Burner/Hearth Kits • 4004-304 Rev C • 08/2010

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Hearth and Home Technologies STMHK24NG, MTMHK18NG Glass Doors, Important Safeguards, Fire Risk High Temperatures
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MHK18NG, STMHK24NG, MTMHK18NG, MHK24NG specifications

Hearth and Home Technologies has consistently delivered innovative heating solutions, and their line of gas fireplaces is no exception. The MHK24NG, MTMHK18NG, STMHK24NG, and MHK18NG models exemplify the brand's commitment to quality, efficiency, and style.

The MHK24NG is a powerful natural gas fireplace that boasts a heat output of up to 29,000 BTUs. Its clean lines and contemporary design make it a perfect addition to modern spaces, while the impressive heat output ensures warmth in larger rooms. An included hand-held remote control adds convenience, allowing users to adjust settings without leaving their seats.

Similarly, the MTMHK18NG offers versatility with a slightly smaller footprint, providing up to 20,000 BTUs. Designed for easy installation, this model features an adjustable flame and a variety of decorative media options, allowing homeowners to customize the look of their fireplace. The MTMHK18NG's compact size makes it an excellent choice for smaller rooms or apartments, where space is at a premium.

The STMHK24NG combines traditional aesthetics with modern technology. It provides a remarkable 32,000 BTUs and includes advanced safety features, such as a built-in oxygen depletion sensor, which automatically shuts off the gas supply if it detects low oxygen levels. This model also provides an array of interchangeable front options, ensuring that it can complement any home decor or personal style.

The MHK18NG rounds out the lineup with its unique balance of efficiency and design. With a heat output of 18,000 BTUs, this fireplace is ideal for those seeking a cozy atmosphere without excessive energy consumption. It is equipped with an easy-to-use remote control and features such as adjustable flame height and temperature control, making it a user-friendly option for all home styles.

All four models are designed with energy efficiency in mind, meeting rigorous Environmental Protection Agency standards. They contribute to reduced energy consumption while providing ample warmth. The use of advanced gas technology in these fireplaces ensures consistent performance and reliable operation throughout their lifespan.

In summary, Hearth and Home Technologies’ MHK24NG, MTMHK18NG, STMHK24NG, and MHK18NG gas fireplaces showcase the perfect blend of style, technology, and performance. Whether enhancing the comfort of a contemporary home or adding warmth to a more traditional space, these models offer a range of features designed to meet diverse needs and preferences. With safety and efficiency at the forefront, these gas fireplaces are a superior choice for anyone looking to enhance their living space with both aesthetics and functionality.
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