11
Figure 05: Typical Installation - Schematic
Cold Inlet
Connection
Cold Supply
Check Valve
Secondary
Return
Secondary
Circulation
Pump
Swept Tee
Figure 06: Secondary Circulation Connection
To hot outlets
Primary flow
Primary return
T&P relief
valve
Balanced cold
water connection
(if required)
Cold water
combination
valve
Mains water
supply
Isolating valve
(not supplied)
Discharge
pipe
Tundish
Drain cock
(not supplied)
Secondary return
(if required)
use swept tee
Inlet
Immersion/
controls
housing
Blank housing
(dependant on
model)
Summary of Contents for 120i
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