LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. (CONT)
Control Box Assembly. Contains operating control instruments.
Ignition Transformer Assembly. Contains transformer and wiring for ignition.
Ignition Cables. Conduct power from the transformer to spark plugs on burner assembly.
Fuel Pressure Gage. Indicates fuel pressure during operation.
Skid Assembly. Provides mounting platform for heater. Incorporates fork lift pockets for handling.
Blower Assembly. Provides air to burner. Incorporates the blower and fuel pump motor, fuel filter, fuel
pump and the air shutter assemblies.
Fuel Feeder Hose. Provides fuel to burner.
Fuel Return Hose. Returns fuel overflow.
Lower Manifold Assembly. Serves as water vessel intake.
Burner Assembly. Consists of the electrode holder mounting sparkplugs, UV scanner, ignition sight
glass, and fuel nozzle assemblies.
Sight Glass Assemblv. Allows operator to observe ignition inside burner assembly.
Smoke Stack and Guard Assembly. Evacuates burner exhaust gases on M-80 water heater.
Exhaust Duct Assembly. Evacuates burner exhaust gases on M-85 water heater.
Pressure Relief Valve. Relieves pressure from water vessel when temperature exceeds prescribed
Upper Manifold Assembly. Provides for hose connection to draw hot water. Houses pressure relief
valve and high limit control.