Monessen Hearth GLX18, GLX28, GLX24, DLX18, DLX28 Clearances and Height Requirements

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CLEARANCES and HEIGHT REQUIREMENTS

Heat resistant material (minimum requirements) with no wooden mantel or other combustible projection:

To install the gas logs into a fireplace with no wooden mantel, shelf or other combustible projection above the fireplace opening, measure the heat resistant material height, per Figure 4, then refer to TABLE A.

Heat resistant materials such as slate and marble must be at least 1/2" thick. Sheet metal should not be installed onto combustible material.

IMPORTANT: If you cannot meet these minimum clearances you must operate the heater with chimney flue damper open. Refer to “INSTALLING VENTED APPLICATIONS” found on page 17.

Heat

Resistant

Material

Measure

this

distance

Heater in

Fireplace or

Firebox

Figure 5 - Measuring Heat Resistant Material

HEAT RESISTANT

REQUIREMENTS FOR SAFE INSTALLATION

 

MATERIAL

 

 

 

 

 

 

MEASUREMENT

DLX18/GLX18

DLX/GLX 24 AND 28

 

 

All Models

All Models

 

 

 

 

 

12" or more

Hood not required.

Hood not required.

 

 

 

 

 

8" to less than 12"

Hood not required.

Extend heat resistent material to 12"

 

 

 

or install hood. See Figure 5.

 

 

 

 

 

Less than 8"

Extend heat resistant

Extend heat resistant material to at

 

 

material to at least 8"

least 8" and install hood. See Figure

 

 

 

5. OR, extend heat resistant material

 

 

 

to a height of at least 12".

 

 

 

 

 

 

 

 

 

TABLE A - Heat Resistant Material Requirements with no Mantel or Combustible Projection

12

14D2099

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Contents Models DLX18/GLX18 DLX24/GLX24 DLX28/GLX28 Read and Save These InstructionsWhat to do if YOU Smell GAS Contents Important Safety Information InstallerOwner From Getting Started Make Sure YOU have Received ALL PartsProduct Features and Specifications Natural GASPropane / LPG General Installation Information CodesAdequate Combustion and Ventilation AIR OFF IGN LOW/HIBTU/HR = L1 + L2 Ft x W Ft x H Ft x Fireplace and Hearth Dimensions Placement in a Fireplace with a Restrictive Barrier Height of Restriction Minimum Depth of Fireplace/FireboxClearances and Height Requirements Sidewall & Ceiling ClearancesClearances and Height Requirements Clearances and Height Requirments Measuring Heat Resistant Material for MantelMinimum Mantel Clearance with No Hood DLX/GLX Minimum Mantel Clearance with No Hood DLX/GLX 24 Floor Clearance Minimum Clearance above Combustible FlooringInstalling Vented Applications Before Fully Installing the UnitBefore Installing the Appliance Damper Stop InstallationInstalling Vented Applications Assembly ProcedurePlacing and Securing Appliance Connecting the GAS Gas ConnectionChecking GAS Pressure Manual Control FigureElectrical Wiring MILLI-VOLT Connecting Optional Wall Switch or ThermostatConnecting Remote Receiver Checking System OperationComplete Millivolt System Check LOG Placement Proper Sequence Oflog InstallationFlame Appearance Checking the Pilot FlameMILLI-VOLT Control Manual Control and Thermostat ControlChecking the Burner Flame Operating InstructionsFor Your Safety Read Before Lighting Operating InstructionsWhat to do if YOU Smell GAS Manual Control Lighting Instructions To Turn OFF GAS to HeaterThermostatic Control Lighting Instructions Rotation of Control KnobMILLI-VOLT Control Lighting Instructions PilotMatch Lighting Instructions Cleaning and Servicing Replacement Parts List DLX/GLX DLX/GLX 24/28LX Golden Oak Logs LX Aged Split Logs LX Weathered Oak Logs LX Chestnut Oak Logs Troubleshooting Observed Problem Possible Cause RemedyOne or both burners do not light 14D2099 14D2099 Lifetime Warranty Five Year WarrantyBasic Warranty

DLX18, GLX28, GLX18, GLX24, DLX28 specifications

Monessen Hearth is renowned for its innovative and aesthetically pleasing gas fireplaces, and models like the DLX28, GLX24, GLX18, GLX28, and DLX18 embody this excellence. These fireplaces are designed to elevate the ambiance of any space while providing reliable heating and energy efficiency.

The DLX series, including the DLX28 and DLX18, showcases a blend of traditional craftsmanship with modern performance. These models focus on user-friendly features, such as an easy-to-use remote control and touchscreen controls that allow homeowners to adjust settings with ease. The realistic flame presentation, enhanced by the vibrant, hand-painted log sets, offers a lifelike fire experience. The DLX series also prioritizes efficiency, with high AFUE ratings ensuring minimal energy waste.

In contrast, the GLX series, featuring the GLX24 and GLX28, is perfect for those looking to create a contemporary living space. These fireplaces provide a sleek aesthetic with clean lines and minimalistic designs, making them an ideal fit for modern interiors. The GLX models incorporate advanced technologies such as a glass ember bed and multiple flame height adjustments, providing a customizable ambiance tailored to any moment. Additionally, they offer the option of a direct vent installation, ensuring optimal ventilation while maintaining efficiency.

The GLX18 complements smaller spaces without sacrificing style or performance, making it ideal for compact homes or apartments. Like its larger counterparts, it utilizes advanced safety features, including a built-in oxygen depletion sensor for added peace of mind.

All Monessen Hearth fireplaces are equipped with robust safety systems, ensuring optimal performance and security for homeowners. These models are also designed for versatility, allowing them to be installed in various settings, from traditional brick fireplaces to contemporary wall-mounted configurations.

In summary, the Monessen Hearth DLX28, GLX24, GLX18, GLX28, and DLX18 fireplaces represent the pinnacle of comfort and technology, offering stylish designs, user-friendly features, and energy-efficient performance. Whether you prefer a classic or modern aesthetic, Monessen Hearth has a model to fit your unique style and heating needs, making them an excellent choice for any home.
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