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Hearth & Home Technologies • Fireside Burner/Hearth Kits • 4004-304 Rev C • 08/2010
1
TM
Models:
MHK18NG
MHK24NG
STMHK18NG
STMHK24NG
Fireside Burner/Hearth Kits
For Natural Gas Use Only
Installation
Instructions
Check with your local building code agency before you begin installation to ensure compliance with local codes, including
the need for permits and follow-up inspections. If you encounter any problems regarding code approvals, or if you need
clarification of any of the instructions contained here, contact the Technical Services Dept., Hearth & Home Technologies
Inc., phone 1-888-427-3973 or 1-800-927-6841.
Note: An arrow () found in the text signifies change in
content.
DO NOT DISCARD THIS MANUAL
CAUTION
• Important operating
and maintenance
instructions included.
• Leave this manual with
party responsible for
use and operation.
• Read, understand
and follow these
instructions for safe
installat ion an d
operation.
DO
N
OT
D
IS
CAR
D
If the information in these instruc-
tions is not followed exactly, a
fire may result causing property
damage, personal injury, or death.
• Do not store or use gasoline or other flam-
mable vapors and liquids in the vicinity of
this or any other appliance.
• What to do if you smell gas:
- Do
not try to light any appliance.
- Do not touch any electrical switch. Do not
use any phone in your building.
- Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
- If you cannot reach your gas supplier, call
the fire department.
• Installation and service must be performed
by a qualified installer, service agency, or
the gas supplier.
WARNING
HOT! DO NOT TOUCH.
SEVERE BURNS MAY RESULT.
CLOTHING IGNITION MAY RESULT.
WARNING
• Keep children away.
• CAREFULLY SUPERVISE children in same room as
appliance.
• Alert children and adults to hazards of high
temperatures.
• Keep clothing, furniture, draperies and other
combustibles away.
Glass and other surfaces are hot during
operation and cool down.
Installation and service of this
appliance should be performed by
qualified personnel. Hearth & Home
Technologies suggests NFI certified
or factory-trained professionals, or
technicians super-
vised by an NFI
certified profes-
sional.
In the Commonwealth of Massachusetts:
• This appliance must be installed by a licensed plumber
or gas fitter.
• The chimney flue damper, when used with gas logs, will
be welded open or completely removed.
• A CO detector shall be installed in the room where the
appliance is installed.