Stuart Turner RGFL4000 - Manual (Page 9)

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Cont ...
2.29 Hot water supply: The pump must be supplied with a dedicated feed direct
from the hot water cylinder or storage tank which should be via a secondary
dedicated tapping (see Fig. 7 for KFL or Fig. 8 for all other models).
Do not connect to the mains.
Fig. 7
45°
Essex flange
28 mm Off expansion
pipe, off-set
45°, 28 mm
pipework Off vertical
expansion
pipe, 28 mm
pipework
Fig. 8
Off expansion
pipe with rising
28 mm offset
reducing to
22 mm pipework
to pump and
expansion pipe. Off expansion
pipe with rising
22 mm offset
and 22 mm
pipework to
pump. Off vertical
expansion pipe
with 22 mm
pipework to
pump. Factory installed G ¾
secondary tapping
with 22 mm pipework
to pump.
or
Side mounted
Techflange with 22 mm
pipework to pump
G 1 Stuart flange
(Part No. 27800)
with 22 mm
pipework to pump.