FOR USE OF 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 20 and 21.

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 21.

 

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 21 - Attaching Outside Duct

 

 

Collar

 

Figure 20 - 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 22

 

 

 

 

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

 

 

 

21.

 

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 22 - Combustion Air Assembly for

 

 

 

 

 

Model No. AK-4

Continued

 

 

 

 

 

 

71D0530

17

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Image 17
Monessen Hearth GRUF Series dimensions Model AK-4 Combustion AIR Assembly, Insulation Ring to Left Side of Fireplace
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GRUF Series, GCUF Series, GRUF, Series specifications

The Monessen Hearth GRUF Series and GCUF Series are designed to meet the diverse heating needs of modern homes while providing aesthetic value and efficient performance. These series are available in a range of styles that can complement any décor, offering homeowners a versatile solution for both heating and ambiance.

One of the standout features of the GRUF Series is its innovative design that blends traditional craftsmanship with cutting-edge technology. The units are equipped with high-efficiency burners, delivering an impressive heat output while minimizing fuel consumption. The inclusion of a powerful blower system ensures optimal heat distribution, allowing for a comfortable living environment even in larger spaces. Additionally, the GRUF Series offers customizable options, allowing homeowners to select aesthetics such as different finishes and mantel designs that suit their personal taste.

In terms of safety, the GRUF Series is built with advanced safety features such as a built-in heat shield and a sealed combustion system. This not only protects users but also ensures that external air does not interfere with the burn process, thus improving efficiency. The GRUF units can accommodate various fuel sources, including natural gas and propane, providing flexibility based on availability and preference.

The GCUF Series, on the other hand, emphasizes modern technology with an array of smart options. These units come standard with Wi-Fi capability, enabling users to control their fireplace via smartphone apps for enhanced convenience. The GCUF Series also features a dynamic flame presentation and realistic logs that bring a sense of warmth and coziness to any room.

Both the GRUF and GCUF Series are designed for ease of installation and maintenance. The user-friendly design ensures that homeowners can enjoy their fireplaces with minimal hassle, and the high-quality materials used in construction promise durability and longevity.

In summary, the Monessen Hearth GRUF Series and GCUF Series stand out with their combination of efficiency, customizable aesthetics, and smart technology. Whether opting for the classic elegance of the GRUF or the modern innovations of the GCUF, homeowners are guaranteed to find a reliable source of heat that enhances their living space while providing an inviting ambiance.
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