Halstead Finest - Page 14

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TYPICAL SYSTEM DESIGN
Note: The boiler incorporates an automatic bypass, hence no other system bypass is
necessary. However at least one radiator (preferable in the bathroom) must be
permantley open, ie. fitted with two lockshield valves.
•
APPLIANCE
•
GAS SUPPLY
•
•
CH FLOW
•
DOMESTIC HOT
WATER OUT
•
MAINS WATER IN
•
CH RETURN
•
RADIATOR WITH
2 LOCKSHIELD VALVES
IN OPEN POSITION
PRESSURE RELIEF VALVE
OUTLET TO DRAIN
•
DOMESTIC HOT
WATER
•
DOMESTIC COLD
WATER
•
PRESSURE REDUCING
VALVE IF REQUIRED
•
BS STOP VALVE
(FIXED SPINDLE)
•
MAINS WATER
•
DRAIN COCK
AT LOWEST POINT(S)
OF SYSTEM