Monessen • Natural Blaze Owner’s /Installation Manual • 4619-900 Rev. C • 1/2020
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those consisting entirely of steel, iron, brick, tile, concrete,
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Materials that are reported as passing
ASTM E 136,
Standard Test Method for Behavior of Materials in
a Vertical Tube Furnace at 750 ºC
shall be considered
non-combustible materials
.
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
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-
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be factored as primary heat in residential heating calcula-
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NOTICE:
This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A.
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D. High Altitude Installations
NOTICE:
If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
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Check with your local gas utility to determine proper
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MODEL:
NB18NV/PV, NB24NV/PV, NB18NIF/PIF
NB24NIF/PIF
LABORATORY: CSA
TYPE:
Unvented Room Heater
STANDARD:
ANSI Z21.11.2-2016 (Unvented Heaters)
$16,=Â&6$'HFRUDWLYH
Gas Appliances for Installation in Solid-Fuel
Burning Fireplaces)
Models
Maximum
Input
BTU/h
Minimum
Input
BTU/h
2UL¿FH
1%19
(0-2000 FT)
28,000
19,000
#38
1%39
(0-2000 FT)
27,000
22,000
#52
1%19
(0-2000 FT)
37,000
25,000
PP
1%39
(0-2000 FT)
36,000
28,000
#49
1%1,)
(0-2000 FT)
28,000
19,000
#38
1%3,)
(0-2000 FT)
27,000
22,000
#52
1%1,)
(0-2000 FT)
37,000
25,000
PP
1%3,)
(0-2000 FT)
36,000
28,000
#49
NOTE:
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NATURAL
PROPANE (LP)
Inlet Minimum
ZF
ZF
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ZF
ZF
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NATURAL GAS:
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»
2
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systems operating at higher
SUHVVXUH
PROPANE/LPG:
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VXSSO\SUHVVXUHWRDPD[LPXPRIZF
Pilot/ODS
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available in the room and shuts the gas log heater off if the
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C. Gas Pressures