c. Water Heater.
REMOVABLE PANELS. Allow access to heater subassemblies.
CONTROL BOX ASSEMBLY. Contains temperature and pressure
gages and direction label.
FUEL PUMP AND IGNITION DRIVE MOTOR. Operates fuel pump and
POWER CABLE ASSEMBLY. Supplies electrical power to the heater.
FUEL PUMP ASSEMBLY. Supplies fuel under pressure to combustor
WATER HOSE ASSEMBLY. Carries heated water from the heater to the
COMBUSTOR ASSEMBLY. Provides spark for ignition of fuel and injec-
FUEL HOSE ASSEMBLY. Supplies fuel to the heater.
tion of (fuel mixed with air) flame into boiler tubes.
LOW PRESSURE HEATING BOILER ASSEMBLY. Heats the water.
COMBUSTOR MAGNETO. Supplies voltage to igniter plug.