4
HOT
T &P V ALV E
C OLD
T O DR AIN
(WAS T E )
FIGURE 4:
TEMPERATURE AND PRESSURE RELIEF VALVE.
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NOTE: THE FITTING OF ALKO6 (94970013) DOES NOT
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ALTER THE REQUIREMENTS OF POINTS 1.1 TO 1.4
T O DR AIN
(WAS T E )
C ONNE C T ION T O
OUT LE T P IP E OF
AQUAHE AT WAT E R
HE AT E R .
HOT WAT E R
OUT LE T P IP E WOR K
C ONNE C T ION
DE T AIL OF T E MP E R AT UR E
AND P R E S S UR E R E LIE F V ALV E
P R OB E
HOT
COLD
NEAREST COLD
DRAW OFF
SERVICE
VALVE
COLD
WATER
MAINS
2.0 (7L), 2.8 (10L) OR 4.2 (15L) METRES IS
REQUIRED FOR EXPANSION IN PIPEWORK.
FIGURE 1
: FOR INLET WATER PRESSURES UP TO 4.1 BAR (60 P.S.I.) - NO ADDITIONAL KITS USED.
COLD
EXPANSION
VESSEL
NON-RETURN
VALVE
NEAREST COLD
DRAW OFF
SERVICE
VALVE
COLD
WATER
MAINS
FIGURE 2
: FOR INLET WATER PRESSURES UP TO 4.1 BAR (60 P.S.I.)
WHERE EXPANSION IN MAIN SUPPLY IS NOT POSSIBLE - USING KIT ALK05 (94970012)
HOT
TO DRAIN
(WASTE)
PRESSURE
(EXPANSION)
RELIEF VALVE
TO DRAIN
(WASTE)
PRESSURE
(EXPANSION)
RELIEF VALVE
AH07/2.2
AH10/2.2
AH15/2.2
AH07/2.2
AH10/2.2
AH15/2.2