1.10 Use only LP-gas cylinders constructed for use with propane
only (HD-5) and marked in accordance with specifications for
LP-gas cylinders of the U. S. Department of Transportation (DOT
Spec. 39).
1.11 Read complete manual before lighting heater.
WARNING
Never touch heater while in operation to avoid injury.
Move heater by grasping the propane cylinder carefully.
1. General InFOrMaTIOn
A. The Mr. Heater MH45T heaters are high pressure propane
appliances and are designed to be connected to a bulk
propane tank. Every unit is tested during manufacturing and
shipped fully assembled except for the bulk tank.
B.
These heaters are equipped with three automatic Safety Shutoff
Valves. The gas flow will automatically stop the heater burner if
that heater burner fails to operate for any reason.
c.
Maximum safety and convenience have been built into the Hi-
Med-Lo-Off Control Valve/Regulator. The following table lists the
approximate BTU's consumed and the operating hours you can
reasonably expect from bulk propane cylinders. Fig. 2.
cOLLAR
MOunTInG
BRAcKET
LOcKING KNOB
MOdel MH45T
Figure 1
Mr. Heater | Gas-Fired Infra-Red Portable Heater
ODOR FADE WARNING
WARNING
Asphyxiation Hazard
• Do not use this heater for heating human living
quarters.
• Do not use in unventilated areas.
• The flow of combustion and ventilation air must not
be obstructed.
• Proper ventilation air must be provided to support
the combustion air requirements of the heater
being used.
• Refer to the specification section of the heater's
manual, heater dataplate, or contact the factory to
determine combustion air ventilation requirements
of the heater.
• Lack of proper ventilation air will lead to improper
combustion.
• Improper combustion can lead to carbon monoxide
poisoning leading to serious injury or death.
• Symptom of carbon monoxide poisoning can
include headaches dizziness and difficulty in
breathing.
REFLEcTOR
HAND WHEEL
POL NuT
3
Operating Instructions and Owner's Manual
HOse asseMBlY
REGuLATOR KNOB
LP cYLINDER