MAINTENANCE GUIDE: CLAS HE
3.17 MAIN HEAT EXCHANGER
MAIN HEAT EXCHANGER
Tools
Time
20 min
1
Drain boiler (see 3.3). Remove
the four clips and disconnect the
two pipes between the
exchanger and pump and
between the exchanger and left
hand hydraulic block
Isolate the gas supply. Remove
the four screws and disconnect
the gas pipe from the gas valve
Remove the four screws to free
the heat exchanger
2
Pull the heat exchanger towards
you
Remove the clip and lift the
manual air vent
Twist the thermal fuse to
remove
Page. 17 of 24
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