MR. HEATER, INC., 4560 W. 160
TH
ST., CLEVELAND, OHIO 44135 · 800-251-0001
2016 - CB
UNVENTED NATURAL GAS FIRED ROOM HEATER
OPERATING INSTRUCTIONS
AND OWNER’S MANUAL
READ INSTRUCTIONS CAREFULLY:
Read and follow all instructions. Place instructions in a safe
place for future reference. Do not allow anyone who has not read these instructions to assemble,
light, adjust or operate the heater.
Blue Flame Heaters
MHVFBF20NGBT
(BLOWER INCLUDED)
MHVFBF20NGT
(BLOWER SOLD SEPARATE)
MHVFBF30NGBT
(BLOWER INCLUDED)
MHVFBF30NGT
(BLOWER SOLD SEPARATE)
Plaque Heaters
MHVFRD20NGBT
(BLOWER INCLUDED)
MHVFRD20NGT
(BLOWER SOLD SEPARATE)
MHVFRD30NGBT
(BLOWER INCLUDED)
MHVFRD30NGT
(BLOWER SOLD SEPARATE)
WARNING:
If the information in this manual is not followed exactly, a fi re or explosion may result causing
property damage, personal injury, or loss of life.
- Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
• Shut off gas supply
• Do not try to light any appliance
• Do not touch an 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 fi re department.
- Installation and service must be performed by a qualifi ed installer, service agency, or the gas supplier.
WARNING
: This is an unvented gas-fi red heater. It uses air (oxygen) from the room in which it is installed.
Provisions for adequate combustion and ventilation air must be provided. Refer to Fresh Air for Combustion
and Ventilation section on page 4 of this manual.
WARNING
: Improper installation, adjustment, alteration, service or maintenance can cause injury or property
damage. Refer to this manual for correct installation and operational procedures. For assistance or additional
information consult a qualifi ed installer, service agency, or gas supplier.
This appliance may be installed in an aftermarket permanently manufactured (mobile) home, where not prohibited
by local codes. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not
convertible for use with any other gas.
INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.
