FRFP
Item #: LUM-VF-NM
SKU:
Price range: $848.00 through $1,509.00
Every set on this page is a complete vent-free set: six hand-painted Mezmer Split logs on the Monessen Lumonessen burner, with the grate, two bags of volcanic rock, rock wool, anchor screws and the T-...
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Every set on this page is a complete vent-free set: six hand-painted Mezmer Split logs on the Monessen Lumonessen burner, with the grate, two bags of volcanic rock, rock wool, anchor screws and the T-handle shutoff and flex connector in the carton. One burner size carries the 18", 24" and 30" sets, at 38,000 BTU/hr on natural gas or propane. Pick the manual control — a piezo-lit standing pilot and a Hi/Lo knob — or the millivolt valve with its on/off switch, alone or with the RCB on/off remote or the TSST thermostatic remote; nothing on this page needs a power outlet. from $608, with a 5-year parts warranty on the burner and logs.
Choose it if you want the split-face look in the Lumonessen Classic Series — the same six-log stack and placement as the Mezmer bark set, with the two top logs swapped for split pieces — in an existing masonry or factory-built fireplace or a Monessen Exacta, Attribute or Lo-Rider vent-free firebox, sized to the opening: 25" of front width for the 18" set, 29" for the 24", 33" for the 30", all at 13" deep and 17" high.
It is not right as a primary heat source — the manual approves it as a supplemental room heater or decorative appliance, and an unvented burner puts moisture into the room. It cannot go in a bedroom or bathroom, in a fireplace whose instructions exclude unvented gas logs, or behind glass doors that will be closed while it runs; a glass-door frame or recessed hearth that stands more than 3" in front of the set is not recommended at all. The room also has to be big enough — 50 cubic feet for every 1,000 BTU/hr of gas appliances in it, about 1,900 cubic feet at full input — and above 2,000 feet the input is derated 4% for each 1,000 feet of elevation measured from SEA LEVEL, so 12% at 3,000 feet.
The minimum hearth for the burner with its logs is 25" wide at the front, 13" deep and 17" high with a 17-1/2" rear width for the 18" set; the 24" set needs 29" at the front and 19-1/2" at the rear, the 30" set 33" and 25-1/4", both at the same depth and height. A restrictive barrier of up to 3" in front of the set raises the minimum depth to 16". Sidewalls stay 9" from the sides of the fireplace opening and the ceiling 42" above it; the wall above the opening needs heat-resistant material for at least 12" (8" to 12" with a hood), a combustible mantel sits 14" or more above the opening depending on how deep it is, and the burner sits 1-3/8" above carpet or other combustible flooring within 14" of the fireplace unless 14" of non-combustible material lies in front. In a vent-free firebox the firebox manufacturer's clearances govern. Inlet pressure runs 5" to 10" W.C. on natural gas and 11" to 13" W.C. on propane; each burner is built for one gas and cannot be converted in the field.
All three Classic Series sets ride the same Lumonessen burner, in the same three sizes with the same ratings, controls and remotes — the difference is the logs. Mezmer is the bark-faced set and Mezmer Split its split-face twin: the same six-log stack, the same placement and the same middle log, with the two top logs swapped. Mountain Oak is a four-log stack in 18" and five logs in 24" and 30". This Mezmer Split set starts at from $608; the Mezmer set starts at from $608 and the Mountain Oak set at from $608.
No — every set on this page is an unvented room heater that burns room air, so it needs no flue. It is also listed (in the U.S.) as a vented decorative log set, so if your fireplace can't meet the vent-free wall or mantel clearances you install and run it with the damper clamped fully open instead. Either way it goes into a solid-fuel masonry fireplace, a UL127 factory-built fireplace or a listed vent-free firebox, and the room must give it 50 cubic feet of volume for every 1,000 BTU/hr of gas appliances in it.
Measure the hearth the burner and logs will sit in. The 18" set needs 25" of front width, 13" of depth and 17" of height with 17-1/2" across the back; the 24" set needs 29" at the front and 19-1/2" at the back; the 30" set 33" and 25-1/4" — the depth and height stay the same because it is the same burner under every size. If a glass-door frame or a recessed hearth stands up to 3" in front of the set, plan on 16" of depth instead. Monessen's own vent-free fireboxes pair the 18" set with the Exacta 32 and Attribute 32, the 24" set with the Exacta 36, Attribute 36 and Lo-Rider 36, and the 30" set with the Exacta 42, Attribute 42 and Lo-Rider 42.
The clearances are the same for every set on this page. The ceiling must be at least 42" above the top of the fireplace opening and combustible sidewalls at least 9" from its sides; the wall directly above the opening needs heat-resistant material such as slate or marble for at least 12" (8" to 12" is allowed with a hood). A combustible mantel needs at least 8" of heat-resistant material under it and a height that depends on whether a hood is fitted — without one, a mantel projecting 10" or less sits at 28" above the opening over 12" of heat-resistant material, whatever its depth; with the hood the manual's examples put a 2-1/2" mantel at 8" and a 6" mantel at 14-1/2". The full profiles are Figures 3.5 and 3.6 on pages 10-11 of the installation manual, and you can send us your mantel depth. If your fireplace can't meet them, the set is run vented with the damper open. In a Monessen vent-free firebox, the firebox's own clearances apply.
Yes — the same five steps for every size, and the manual calls the positioning critical. The rear log goes on the rear support, the front log between burner and grate against the tab on the right, the middle log on its support with a corner in the front log's notch, the top right log across the front and middle logs, and the two split top logs across the middle and back logs; the three bottom logs have ridges that lock them to the burner frame. Volcanic rock goes on the fireplace floor only, never on the logs, pilot or burner. After a 15-minute warm-up you check that no yellow flame is touching a log — logs set off the diagrams can soot.
Yes, on every one — nothing on this page uses house current. A piezo button lights the pilot, the manual-control valve is all mechanical, and the millivolt valve runs on its own thermopile with the on/off switch, remote or thermostat wired at low voltage to the valve, so a dark house still gets a fire.
All four choices light the same burner and logs; they differ in how you run it. "Standing Pilot - Manual" is the manual-control burner: a piezo lights the standing pilot and a Hi/Lo knob on the valve sets the flame — no switch, no remote, and no way to add one later. The three millivolt choices share the self-powered millivolt valve with its on/off switch: "Manual" gives you the switch alone, "On/Off Remote" adds the RCB battery remote, and "Thermostatic Remote" adds the TSST touch-screen thermostat remote with its TS sensor so the set holds a room temperature (unvented installations only — a thermostat is not allowed when it is run vented). A wall switch or wall thermostat can also be wired to the millivolt valve.
No. The vent-free burner and logs carry 5 years on parts, the gas electrical parts such as the valve, pilot and remote 2 years, purchased accessories 1 year, and the coverage transfers to a later owner of the home. Keep your invoice and the model number from the burner's rating plate; we hold the rest on file.
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A: We bring years of specialized expertise to the fireplace industry. When you choose us, you're getting the knowledge and experience that comes from being dedicated fireplace industry experts.
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