PLUMBING MANIFOLD
CONNECTIONS:
Heating System: 22mm compression fittings
Gas:
22mm compression fittings
Cylinder Return 15mm compression fittings
Use the fittings supplied in the Lit/Hardware
pack and the Optional Diverter Valve Kit.
• Before the wall mounting frame is fitted to the
wall you must first assemble the service valve
(A) included in the Optional Diverter Valve Kit
and secure to the wall mounting frame as
shown with the two screws (B) supplied.
• If the boiler pipes are to be run behind the
appliance ensure that the pipes pass through
the slot in the yellow plastic guide (C). This is
fitted to the boiler frame.
CH Return 22mm
Flow 22mm
PLUMBING MANIFOLD
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 12i System/24i System
8 716 107 375a (02/05)
15
P
R
E -
IN
ST
AL
LA
TI
O
N
Gas Supply (alternative from above appliance) 22mm
Mains Gas
Supply 22mm
C
Further guidance on pipe routing can be
found printed on the boiler template
(supplied with the boiler).
NOW R ETU R N TO TH E MAIN
I N STR UC TION S PAG E 16 TO
CONTINUE INSTALLATION.
Cylinder Return
15mm
A
B
CH Return 22mm
Flow 22mm
Cylinder
Return 15mm
