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.
Heating return
Hose
return
Non return
valve
Non return
valve
Test cock
Stop
cock
Water main
supply
Stop
cock
Temporary hose
Heating return
Auto air
vent
Non return
valve
Stop
cock
Make up
vessel
1000mm above
the highest point
of the system
Fill Point
WATER SYSTEMS & PIPEWORK
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR DANESMOOR UTILITY 18/25
8 716 106 256C (03/2010)
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