3 sti/sti p, 4 500 std p, 5 500 sti p – Ariston Unvented Hot Water Storage Cylinders User Manual
Page 7
7
RETURN
FLOW
SECONDARY
RETURN
COMBINATION
VALVE
EXPANSION RELIEF
PIPE
COLD
MAINS-IN
22mm
DRAIN
EXPANSION
VESSEL
PRESSURE + TEMPERATURE
RELIEF VALVE
ZONE
VALVE
HOT SUPPLY
22mm
TUNDISH
22mm
MAX. 100mm
F
IG
. 2.3
STI/STI P
RO
T
ECH
/ITI 125-150-210-300 I
NDIRECT
SECONDARY
RETURN
COMBINATION
VALVE
EXPANSION RELIEF
PIPE
COLD
MAINS-IN
28mm
DRAIN
EXPANSION
VESSEL
PRESSURE +
TEMPERATURE
RELIEF VALVE
HOT SUPPLY
28mm
TUNDISH
22mm
MAX. 100mm
F
IG
. 2.4
500 STD P
RO
T
ECH
RETURN
FLOW
SECONDARY
RETURN
COMBINATION
VALVE
EXPANSION RELIEF
PIPE
COLD
MAINS-IN
28mm
DRAIN
EXPANSION
VESSEL
PRESSURE +
TEMPERATURE
RELIEF VALVE
ZONE
VALVE
HOT SUPPLY
28mm
TUNDISH
22mm
MAX. 100mm
F
IG
. 2.5
500 STI P
RO
T
ECH
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www.tradeplumbing.co.uk Call Sales On 08708034288