Bosch NG - Diagram of Aquastar

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Fig. 9 - Diagram of AquaStar 38 B
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4
8
10
1
7
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11
1. Heat exchanger
2. Pilot assembly
3. Burner manifold gas
pressure test nipple
4. Pilot gas tubing
5. Main gas burner
6. Inlet gas pressure test nipple
7. Gas valve
8. Gas control slide
9. Piezo igniter
10. Temperature adjustment knob
11. Water valve
3
5
6