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Monessen • Natural Blaze Owner’s /Installation Manual • 4619-900 Rev. C • 1/2020
Hearth & Home Technologies
7571 - 215th Street West
Lakeville, MN 55044
GAS: NATURAL
BAR CODE
UNVENTED GAS ROOM HEATER
NOT FOR USE WITH SOLID FUEL
Mantel clearances from top of unit opening:
At 28” from opening, a mantel of 10” or less is
allowed.
This appliance equipped only for altitudes
0-4500 feet (0-1370m).
This appliance must be installed in accordance
with local codes, if any; if none, follow the National
Fuel Gas Code, ANSI Z223.1, or
Canadian Installation Codes, CAN/CSA-B149.
Input Rating: Max. 37000 BTU/Hr.
Min. 27000 BTU/Hr.
Manifold Pressure: 3.5” W.C.
For Purpose of Input Adjustment:
Min. Supply Pressure: 4.5” W.C.
Max. Supply Pressure: 10.5” W.C.
Control Type: 35
Burner Orifice Size: Front 1.8mm, Back 2.5mm
This unit complies with:
ANSI Z21.11.2-2016 unvented
ANSI Z21.60-2012/CSA-2.26-2012
MODEL: NB24NIF
SERIAL:
BAR CODE
ITEM NO: NB24NIF
4619-990
Listing Label Information/Location
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Appliance Information:
Dealer:
Fill in your
name, address,
phone and email
information here and
appliance information
below.
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A. Congratulations
Congratulations and thank you for selecting a Monessen
vent free gas log set, an elegant and clean alternative to
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As the owner of a new vent free log set, you’ll want to read
and carefully follow all of the instructions contained in this
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owner’s manual
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owner’s manual, unless
noted otherwise, applies to all models and gas control
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Local Dealer Information
