Product Manual

WARNING: Improper installation, adjustment, alteration, service or maintenance
can cause injury or property damage. Refer to this manual. For assistance or
additional information consult a qualified installer, service agency or the gas supplier.
— 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.
 • Leave the building immediately
• Immediately call your gas supplier from a phone remote from the building. Follow the
gas suppliers 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.
FOR YOUR SAFETY:
Do not store or use gasoline or other flammable vapors and liquids in the vicin-
ity of this or any other appliance.
WARNING: If the information in these instructions are not followed exactly, a fire or
explosion may result causing property damage, personal injury or loss of life.
20176 0185
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.
Model#
www.mrheater.com •800-251-0001
MHU50
MHU80
MHU125
®
COMPACT UNIT HEATER
FOR RESIDENTIAL/COMMERCIAL USE