Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.
READ INSTRUCTIONS CAREFULLY: YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS.
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.
MHU100NGPALP
MHU100NGPAL
MHU125NGPALP
MHU125NGPAL
MHU150NGPALP
MHU150NGPAL
MHU200NGPALP
MHU200NGPAL
MHU250NGPALP
MHU250NGPAL
MHU300NGPALP
MHU300NGPAL
MHU400NGPALP
MHU400NGPAL
This product is approved for sale and
installation in the states of California
and Massachusetts.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death or
property damage.
Be sure to read and understand the
installation, operation and service instructions
in this manual.
Improper installation, adjustment, alteration,
service or maintenance can cause injury or
property damages.
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.
OPERATING INSTRUCTIONS
AND OWNER'S MANUAL
MODELS:
MHU100NGPSSP
MHU100NGPSS
MHU125NGPSSP
MHU125NGPSS
MHU150NGPSSP
MHU150NGPSS
MHU200NGPSSP
MHU200NGPSS
MHU250NGPSSP
MHU250NGPSS
MHU300NGPSSP
MHU300NGPSS
MHU400NGPSSP
MHU400NGPSS
WWW.MRHEATER.COM
UNIT HEATER
FOR INDUSTRIAL/COMMERCIAL USE
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
-WHAT TO DO IF YOU SMELL GAS:
Ǟ DO NOT try to light any appliance.
Ǟ DO NOT touch any electrical switch, do not
use any phone in your building.
Ǟ Leave the building immediately.
Ǟ Immediately call your gas supplier from a
phone remote from the building. Follow the
gas suppliers instructions.
Ǟ 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.
800-251-0001
60365 REV C