Bosch WR 400-7.K Series Installation & Operation Manual page 13

3 2
6
7
8
9
1. Heat exchanger
2. Pilot assembly
3. Burner manifold gas pressure test nipple
4. Main gas burner
5. Pilot gas tubing
6. Led failure indicator
6 720 606 560
Fig.15 - Diagram of WR 400-7.K..
11
7. on/off switch
8. Led operation indicator
9. Water valve
10. Temperature adjustment selector
11. Gas inlet gas pressure test nipple
1
4
5
10
13