Water Temperature Gage. The water temperature gage indicates the temperature of water in the boiler.
Power Cable
The main electrical power cable is used to provide external electrical power to the M2 water heater. The
cable is stowed in the storage compartment and is attached to terminals on the pump unit control panel
and on top of the M2 water heater.
Fuel Hose Assembly
A fuel hose is provided with the M2 water heater to draw fuel from an external fuel supply, usually a 5-
gallon gasoline can. The fuel hose consists of a three-hose assembly that is attached to a standard-size
plug, which fits into the fuel supply container on removal of the usual closure. The three hoses are a
fuel supply hose, a fuel return hose, and a flexible hose that is inserted into the fuel container. This hose
withdraws fuel from the fuel container into the supply hose.
Water Hose
A water hose is provided with the M2 water heater to transfer heated water from the M2 water heater to
the using equipment. The water hose is attached to the water outlet elbow located in the storage
compartment on top of the M2 water heater.
Cover Panels
Removable panels enclose the M2 water heater. Some of the panels are louvered for ventilation. Heat-
reflective tape is applied to the two side and end panels on the M2 water heater. The tape minimizes the
external temperature of the panels that operating personnel may contact.
Tool Carrier
A canvas tool carrier is provided to store the tools supplied with the M2 water heater. The tool carrier is
attached to the cover of the cabinet. A similar carrier is attached to the lower left front panel of the
pump unit for storing technical manuals.
WARNING
If the M2 water heater is operated in an enclosed area, the exhaust must be
vented or placed outside the enclosed area to prevent carbon-monoxide
poisoning. A mask does not protect against carbon-monoxide fumes.
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