Monessen Hearth MCUF42D SERIES dimensions Model AK-4 Combustion AIR Assembly

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USING OPTIONAL AK-4 OUTSIDE AIR KIT

The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit.

MODEL AK-4 COMBUSTION AIR ASSEMBLY

1.Remove the cover plate from the 4" outlet opening location on the left or right outside of the fireplace.

2.Place the insulation ring between the AK-4 starting collar and fire- place wall.

WARNING

DO NOT remove the cover if the outside air will not be connected.

3.Place the starting collar (4") into the hole on the side of fireplace. Fasten it in place with the four sheet metal screws provided. See Figures 21 and 22.

Note: The air starting collar extends through the fireplace outer wrap. When the air starting collar is securely attached, it will form a seal against the fireplace wall.

4. Attach outside duct to starting collar with duct clamp or screws. See Figure 22.

 

Left Side of

Insulation Ring

 

 

 

 

 

Fireplace

 

Screws

 

Air Starting

 

AK-4 Starting

 

 

 

 

 

 

 

Collar

 

 

Collar

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Duct

 

 

Sheet

 

 

 

 

 

 

Meal

 

 

 

 

 

 

Screws

 

 

 

 

 

 

Shorter End

 

 

Left Side of

 

 

 

 

 

Fireplace

 

 

 

of Air Starting

 

Figure 22- Attaching Outside Duct

 

 

Collar

 

Figure 21 - Attaching Outside Air Starting Collar

 

 

to Starting Collar

 

 

 

 

 

 

and Insulation Ring to Left Side of Fireplace

 

6" Diameter

 

 

 

 

 

 

 

 

5. Cut a 6-inch diameter opening for model AK-4 in the outside

Hole

 

Screw

 

 

 

wall covering where the outside vent is to be located. See

 

 

 

 

Figure 23.

 

 

 

 

Nail

6. Select and cut a piece of duct long enough to attach to the

 

 

 

 

Holes

 

fireplace and stick out at least 3" beyond the face of the wall

 

 

 

 

 

 

 

to which the AK-4 inlet air vent will be attached. See Figure

Duct

 

 

 

22.

 

Extending

 

 

 

 

 

 

 

WARNING

 

 

 

3"min.

 

 

Use FP-4 U duct for maximum efficiency

 

 

AK-4 Inlet

 

 

and safety. Do not use a combustible

 

 

Air Vent

Screws

 

duct. Always use UL Listed Class 0 or

 

 

 

 

 

 

 

 

 

1 duct material.

 

Figure 23 - Combustion Air Assembly for

 

 

 

 

 

Model No. AK-4

Continued

 

 

 

 

 

 

26D4720

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Contents Dimensions Required for What to do if YOU Smell GAS Do not Install AN ApplianceInstallation ModelsContents Owner Important Safety InformationInstaller Never connect unit to private Before YOU Start Product FeaturesFirebox Dimensions General Installation InformationLocation of Firebox General Installation Information and Location of FireboxMinimum Hearth Dimensions Clearance and Height Requirements Clearances and Height RequirementsTOP View Fireplace Framing Corner InstallationCustom Cabinet GAS Line Installation Installing Canopy Canopy InstallationBrass or Chrome Trim Optional EquipmentOptional Wide Canopy Forced AIR KIT BlotmcAccessories in Kits Illustrated Parts ListCombustion AIR Using Optional AK-4 Outside AIR KITInsulation Ring to Left Side of Fireplace Model AK-4 Combustion AIR AssemblyInstalling Model 403 Duct Connector 26D4720 Basic Warranty Five Year Warranty

MCUF42D SERIES specifications

The Monessen Hearth MCUF42D Series is a remarkable line of fireplaces designed to offer both functionality and elegance, perfect for any modern home. These units are built to provide efficient heating while maintaining a sleek and stylish aesthetic. One of the standout features of the MCUF42D series is its heat output capacity, designed to ensure that even large spaces are effectively warmed. With a powerful heat output of up to 40,000 BTUs, the MCUF42D can easily become the central heating source for a living area.

One notable technology incorporated in the MCUF42D series is its advanced combustion system. This system enhances fuel efficiency, allowing the fireplace to burn cleaner and produce fewer emissions. This not only benefits the environment but also contributes to lower heating costs for homeowners. Additionally, the series is designed with a high-efficiency rating, which means that it maximizes the heat produced from every unit of fuel consumed.

Aesthetically, the MCUF42D series does not compromise on style. It features a contemporary design that appeals to modern sensibilities, with options for various finishes and trims. Homeowners can customize their fireplaces with different front styles, such as traditional doors or a sleek modern face. The generous viewing area of the fireplace, framed by elegant glass doors, provides a beautiful view of the flames, creating an inviting atmosphere in any room.

Another outstanding characteristic of the MCUF42D series is the ease of installation. The unit is engineered for flexible venting options, allowing it to be installed in a variety of settings, whether it's a new or existing structure. This adaptability makes it an ideal choice for renovations or new builds.

Furthermore, the MCUF42D series incorporates features for ease of use and safety. The remote control operation allows users to adjust the heat settings and flames at their convenience, offering modern functionality. Safety features such as tempered glass doors and an automatic shut-off system provide peace of mind for families.

In summary, the Monessen Hearth MCUF42D series combines powerful heating capabilities, advanced technology, and stylish design. With its efficient performance and customizable options, it stands out as an excellent choice for those looking to enhance their living space with a contemporary fireplace that warms the home while elevating its aesthetic appeal.
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