Monessen 36" Lo-Rider See Through Clean Face Vent Free Firebox
The Monessen Lo-Rider LSTF36-B is a see-through vent-free firebox with a 36 in. opening on both sides. It is the shell of the fireplace: it has no burner, so it is paired with a vent-free see-through burner and log set of up to 40,000 BTU/hr. Order number LSTF36-B.
Burner and logs are not included.
What's Included
- See-through vent-free firebox
- Two canopies (must be installed)
- Factory-installed refractory firebrick panels
- Mesh curtain screens with hide-away pockets on both sides
- Black hood
Key Features
- Open on both sides, for a wall between two rooms
- Extra large 36 in. x 30-3/4 in. viewing area on each side
- Flush hearth design
- Takes natural gas or propane vent-free burners up to 40,000 BTU/hr
- Optional overhead accent light kit and blower
What to Order With It
Required: a vent-free see-through burner and its log set. Monessen lists these for this firebox:
Burners:
Log sets:
Optional:
Light kits:
Blowers:
- Variable Thermostat Controlled Single Forced Air Blower, 160 cfm (BLOTDL)
Outside air:
Mantels and shelves:
Other Monessen mantels, shelves and stone sets can be ordered on request.
The light kit and blower must be installed and wired before the firebox is framed in and before the burner goes in.
Specifications
| Order Number |
LSTF36-B |
| Type |
See-through vent-free firebox (no burner) |
| Maximum Heater Input |
40,000 BTU/hr, for a listed vent-free gas log heater |
| Viewing Opening |
36 in. wide x 30-3/4 in. high, each side |
| Interior Panels |
Factory-installed traditional refractory firebrick |
| Gas Supply for the Heater |
Natural gas 10.5 in. w.c. maximum. Propane 13 in. w.c. maximum. |
| Electrical |
Needed only for the optional blower or light kit |
| Shipping Weight |
185 lb |
| Safety Listing |
CSA/ANSI Z21.91, ventless firebox enclosures |
| Use |
Indoor. Not for a bathroom. In a bedroom only with a heater of 10,000 BTU/hr or less. Not for wood fires or vented gas logs. |
Dimensions and Framing
| Width |
45 in. |
| Height |
37-1/4 in. |
| Depth |
24 in. |
| Framing Width |
46 in. wall to wall, 42-1/2 in. between the 2x4 framing |
| Framing Height |
37-1/2 in. |
| Framing Depth |
23 in. |
Clearances to Combustibles
| Side Walls |
6 in. from the inside of the firebox to a combustible wall |
| Ceiling |
42 in. above the top of the firebox opening |
| Wall Facing an Opening |
36 in. from the opening |
| In Front |
42 in. to curtains, furniture and other combustible objects |
| Firebox Body |
Combustible framing may touch the sides, bottom and top of the firebox |
| Floor |
The firebox floor must be at least 1 in. above combustible flooring that is within 14 in. of the base, unless 14 in. of non-combustible material is laid in front |
| Facing |
Only non-combustible material may cover the black metal face. It must not extend past the opening. |
The two canopies supplied with the firebox must be installed for the mantel clearances to apply. Use the mantel figure in the manual; we have not copied it here because it is a drawing.
Vent-free gas appliances are not allowed in every state, city or room. Check your state and local codes before you order. Installation and service must be done by a qualified installer.
Warranty
Covered by the Hearth & Home Technologies limited warranty for Monessen products (form 4021-645N, 12/23), which is printed in the owner's manual. Coverage starts on the date of installation and applies to products bought from an authorized dealer. See the manual for the coverage periods, conditions and exclusions.
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