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Heating return
Hose
return
Stop
cock
Temporary hose
Heating return
Auto air
vent
Fill Point
12
WATER SYSTEMS & PIPEWORK
09:59
Page 12
Water main
supply
Non return
Non return
valve
valve
Stop
cock
Test cock
Make up
vessel
Non return
1000mm above
valve
the highest point
of the system
Stop
cock
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR UTILITY 32/50 & 50/70
WATER SYSTEMS & PIPEWORK
FILLING PRIMARY SEALED SYSTEMS:
• Filling the system must comply with one of the
methods shown opposite.
• The filling point must be at low level and must
never be a permanent direct fixing to the
mains water supply.
• Filling links must be WRAS approved.
8 716 109 711B 07.2010