- Bosch Operating Instruction Water Heater 125B LP and 125B NG

ManualsBrandsBosch Appliances ManualsWater Heater125B LP

196 720 607 030

Fig. 12 - Diagram of AquaStar 125 B

1. Heat exchanger

2. Pilot assembly

3. Burner manifold gas

pressure test nipple

4. Main gas burner

5. Pilot gas tubing

6. Gas valve

7. Pressure tap screw

location

8. Gas control slide

9. Piezo igniter

10. Water valve

11. Temperature adjustment

selector

12. Gas inlet gas pressure test

nipple

13. Flexible hot outlet

5

11

1

4

9

10

3

12

2

6

7

8

13

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