Monessen Exacta Vent Free Firebox
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Monessen Exacta Vent Free Firebox

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Monessen Exacta Vent Free Firebox BUF

Enjoy the fireplace you've always wanted, expansive views and all. Combined with a Monessen vent free log set, the Exacta firebox provides warmth and ambiance to practically anyone, anywhere. The Exacta delivers maximum airflow, efficiently adding heat to your home, while the zero clearance design gives you flexibility, and helps save installation dollars.

Enjoy The Fireplace You've Always Wanted

Monessen offers one of the most diverse lineups of gas vent free fireplaces available, making it easy to find the right look for your home. Enjoy beautiful flames, excellent heating and a customized look, and many added benefits.

What Is a Vent Free Firebox?

A Monessen vent free firebox is the perfect way to display and operate your Monessen vent free log set. While our log sets can be utilized in an existing approved wood burning fireplaces (converted with a gas line), if your home does not already have an existing fireplace, a vent free firebox is an economical way to add a fireplace to your home. Installed in either your wall or a free-standing cabinet, a vent free firebox is simply the metal combustion chamber of a traditional fireplace system, without the log set and engine. You then add the vent free log set (with engine) of your choice to complete it.By contrast, a vent free fireplace system includes the firebox, log set and engine as a package. It too can be installed either in a wall or a free-standing cabinet.In either situation, since no venting is required, installation is faster and easier than with a traditional vented system."

Monessen Magnum Vent Free Firebox MCUF

The Magnum firebox series offers Monessen's trademark angled firebox design coupled with a deep box and tall opening for maximum heating capacity. Finish your fireplace right up to the firebox with the material of your choice and add the log set you love for a perfect custom look.

Data Sheet


Product Type:
Vent Free firebox
42 inch
36 inch
48 inch (W) x 37-1/4 inch (H) x 23 inch (D)
42 inch (W) x 37-1/4 inch (H) x 23 inch (D)
Hearth Dimensions:
41-1/4 inch (W) x 21-3/4 inch (H) x 18-5/8 inch (D) x 30-1/4 inch (RW)
Hearth Dimensions:
35-1/4 inch (W) x 21-3/4 inch (H) x 18-5/8 inch (D) x 27-1/4 inch (RW)
Hearth Dimensions:
39-3/4 inch (W) x 21-3/4 inch (H) x 17-7/8 inch (D) x 28-3/4 inch (RW)
Hearth Dimensions:
33-3/4 inch (W) x 21-3/4 inch (H) x 17-7/8 inch (D) x 25-3/4 inch (RW)
Fire Viewing Area:
42 inch x 24 inch
Fire Viewing Area:
36 inch x 24 inch
Viewing Style:
Vent Free
Heat Distribution:

Shipping & Returns

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.