Buderus 500-24S Installation And Maintenance Instructions Manual page 46

4
Maintenance
V Replace the seal of the heat exchanger (
item 1). The seal must be placed without tension and
cut at the proper length at the end of it.
V Replace the 4 o-rings (
each side.
V Remove the old burner seal (
V Place a new burner seal.
V Place a new flat seal between the gas pipe and the gas
valve ( fig. 72).
V Reassemble in reverse order.
46
fig. 70,
fig. 70, item 2), 2 pieces at
fig. 71).
Buderus 500-24S - Subject to modifications resulting from technical improvements
Fig. 70 Replace the seal of the heat exchanger
Fig. 71 Replace burner seal
Fig. 72 Place a new flat seal
1
2
7215 3100-083.1TD
7215 3100-084.1TD
7215 3100-085.1TD