Servicing and spares
47
Bosch Condens 5000W – 6 720 646 195 (2018/10)
6.8.10 Heat exchanger
▶ Isolate flow and return valves then drain the boiler.
▶ Remove syphon.
Refer to figure 92.
1. Remove the clip from plastic elbow on the flow pipe.
2. Move flow pipe away from heat exchanger.
Fig. 92 Flow pipe removal
Refer to figure 93.
1. Remove the three screws securing the turret to the top of the boiler.
2. Turn the upper exhaust connector clockwise to release from the
hook.
3. Move the upper exhaust connector down.
Fig. 93 Upper exhaust assembly
Refer to figure 94.
1. Release the clip.
2. Move the lower exhaust connector up.
▶ Remove the complete exhaust assembly.
Fig. 94 Release lower exhaust connection
Refer to figure 95.
1. Unscrew the plastic nut.
2. Remove the nut from the bottom of the boiler.
3. Rotate lever to release the return pipe.
Fig. 95 Release the sump
1.
2.
6720643895-82.1Wo
6720643895-114.1Wo
1.
3.
2.
6720643895-71.1Wo
2.
1.
2.
1.
3.
6720644743-26.1Wo
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