Fit the 1"-3/4" ball valve to the supply
flow coupling (1") of the hot water module
(Fig. 3.7).
GB
Fit the 1" non-return ball valve to the return flow
coupling (1") of the hot water module
(Fig. 3.8).
Mount the charging pump (1" flat gasket), pres-
sure side at the top (Fig. 3.9).
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Fig. 3.7: Ball valve on the supply flow coupling
Fig. 3.8: Ball valve on the return flow coupling
Fig. 3.9: Mounting the charging pump