A.O. Smith BTI 100 G Installation And User Instructions Manual page 5

Figur 1 - Cross section of the heater
1) Draught diverter
2) Hot water outlet
3) Insulation
4) Flue tube
5) Glass lined tank
6) Gas valve and spark ignition
7) Control panel
8) Inspection cover plate
9) Intermittent pilot burner and
flame probe
10) Cold water inlet
11) Combustion products discharge
safety device
12) T&P valve connection
13) Outer casting
14) Flue baffle
15) Magnesium anode
16) Drain valve and secondary
return connection
17) Main burner
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