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CH Flow 22mm
Mains Gas Supply 22mm
15
PLUMBING MANIFOLD
Gas Supply (alternative from above appliance) 22mm
DHW OUT 15mm
DHW IN (alternative from
above appliance)
15mm
Mains Water (DHW IN) 15mm
CH Return 22mm
*
A
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 25Si/30Si
PLUMBING MANIFOLD
CONNECTIONS:
Heating System: 22mm compression fittings
DHW:
15mm compression fittings
Gas:
22mm
Use the fittings supplied in the Lit/Hardware
pack.
• If the boiler pipes are to be run behind the
appliance ensure that the pipes pass through
the slot in the yellow plastic guide (A). This is
fitted to the boiler frame.
Further guidance on pipe routing can be
found printed on the boiler template
(supplied with the boiler).
8 716 107 337b (11/05)
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