MR. HEATER, INC., 4560 W. 160
TH
ST., CLEVELAND, OHIO 44135 · 800-251-0001
WARNING: If the information in this manual is not followed exactly, a re or explosion may result causing
property damage, personal injury, or loss of life.
- Do not store or use gasoline or other 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 re department.
- Installation and service must be performed by a qualied installer, service agency, or the gas supplier.
WARNING: This is an unvented gas-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 qualied installer, service agency, or gas supplier.
02/14 70808 2015 JM
Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.
UNVENTED NATURAL GAS FIRED ROOM HEATER
Blue Flame Heaters
MHVFB20TB NG
(BLOWER INCLUDED)
MHVFB20T NG
(BLOWER SOLD SEPARATELY)
MHVFB30TB NG
(BLOWER INCLUDED)
MHVFB30T NG
(BLOWER SOLD SEPARATELY)
Plaque Heaters
MHVFR20TB NG
(BLOWER INCLUDED)
MHVFR20T NG
(BLOWER SOLD SEPARATELY)
MHVFR30TB NG
(BLOWER INCLUDED)
MHVFR30T NG
(BLOWER SOLD SEPARATELY)
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.
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