Stuart Turner Techflo QT 50TNH - Manual (Page 7)

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2 LOCATION - TWIN PUMP
2.27 Hot water cylinder or storage tank: When a hot water cylinder or storage tank
is used, ensure the pipework size from the cold water storage to the hot water
storage is of adequate size and a minimum of 22 mm.
2.28 Hot water supply: The pump must be supplied with a dedicated feed direct
from the hot water cylinder or storage tank. We recommend the use of the
Techflow top flange Part No 27901 (QT50 & QT80 only) or side flange 27900
(all models) (Fig. 5). See Section 9 for Terms of Guarantee.
Fig. 5
G 1 Top flange (Part
No. 27901) with 22
mm pipework to
pump.
Positive Duty Twin Pump System
Fig. 4
QT 50 & QT80 ONLY ALL MODELS
Factory installed G ¾
secondary tapping with
22 mm pipework to pump.
or
Side mounted Techflange
(Part No. 27900) with
22 mm pipework to pump.
Static Inlet Pressure see
T
able 1
Static Outlet Pressure see
T
able 1