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POWER "T@WATER HEATER
GAS BURNER
CARBON MONOXIDE WARNING: An annual or seasonal combustion checkout must be
performed by a qualified service agency to ensure safe operation. Failure to maintain
proper combustion can result in injury or death.
Typical Construction
Figure 19-6
1.
Static farl
11.
Manual shutoff valves
2.
End cap
12.
Main gas pressure regulator
3.
Gas nozzle assembly
13.
Main gas valve
4.
Pressure plate
14.
Pilot gas valve
5.
Blast tube & burner housing junctiop
15.
Auxiliary gas valve
6.
Ignition transformer
16.
Electrode clamp
7.
Ignition electrode
17.
Fresh air vent damper
8.
Flame sensing electrode
18.
FGR union with orifice
9.
Ignition electrode boot (red)
19.
Flame electrode boot (black)
10.
Electrode clamp
20.
Pilot gas pressure regUlator
PV500-19 04-2005
11
Section 19
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