TM 10-4520-259-13&P
12
Flame Safeguard
Lockout switch for flame safeguard Control Reset control system. When
pressed, resets electrical circuit to allow ignition.
13
Buzzer
Indicates low water condition or ignition failure.
14
Hour Meter
Indicates cumulative time burner has been in operation to allow maintenance
at prescribed time intervals.
15
Vent Valve
Allows operator to bleed air from the water heater.
16
Petcock Valve
Allows operator to drain excess fuel from combustion chamber.
17
Drain Valve (M-85 only) Allows operator to drain water from water vessel.
18
UV Scanner
Initiates safety shutdown when flame inside burner goes out.
19
Burner Assembly
Ignites fuel and controls flame.
2-3