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6.7 B
Z
ATHROOM
ONES
The NUOS can be installed in a
bathroom, however, a bathroom
would not be the most suitable
location.
6.8 C
V
OMBINATION
Pressure Relief Valve (PRV)
PRV Discharge - 15mm
NO VALVES
To NUOS Cold Water
Connection - 22mm
NO VALVES
F
. 6.8
C
IG
A
OMBINATION
26
The NUOS appliance is rated @ IPX4.
The NUOS unit can be installed in Zone 2 and Zone 3. However, the
switch/fuse unit must be installed in Zone 3.
F
The combination valve can be installed in any orientation.
ALVE
The pipework must be flushed prior to fitting the valve to avoid damage to
the valve.
Expansion
Vessel
NO VALVES
V
ALVE
. 6.7
B
Z
IG
A
ATHROOM
ONES
WARNING
No valves must be fitted between the combination valve and
the NUOS.
WARNING
No valves must be fitted from the combination valve to the
expansion vessel or PRV discharge.
Balanced Cold
Supply to Taps
22mm
0.75m
Switches and fuse units
must be installed in Zone 3
Pressure
Regulating Valve
@ 3.5 bar
Integral Non-return Valve
Cold Feed from
Mains 22mm
r0.6m