12
Fig. 2
Installation of STP, SSP, STC and STR pumps
TM
04 020
1 510
7
Wa
te
r m
a
in
s
Cold-wat
er supp
ly t
o
cylind
e
r,
min.
22 m
m
,
28 m
m
recom
m
end
ed
Full-bo
re ga
te valve
Exp
a
n
sion pipe
Hot-water
cylinder
Shower outlet
250 mm (10 inches)
below water level
Shower
valve
Cold-water storage tank
of at least 50 gallon
capacity
Cold-water
supply
min.
22 mm
System vent
Surrey
flange
22 mm
service
gate
valves
Hot-water supply
min.
22 mm
Supply to
another shower,
if required
Hot
Cold
230 V
switched spur
Pump
Grundfos.bk Page 12 Wednesday, September 3, 2008 1:36 PM
