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Hydraulic circuit
5 .4
BWCAAG000120 - BWCAAG000150
manual
air vent
supply temperature
sensor
water temperature
high limit
Low water
Cutoff
check
valve
filling
tap
automatic
bypass
drain
valve
SUPPLY
WATER
OUTLET
pressure
relief
valve
main heat
exchanger
return
temperature
sensor
domestic hot water
DHW
temperature sensor
heat
exchanger
pump
flow
restrictor
flowmeter
HOT
COLD
RETURN
WATER
INLET
expansion
tank
automatic
air vent
three-way
valve
BWHAAG000120 - BWHAAG000150
manual
air vent
supply temperature
sensor
water
temperature
high limit
low water
cutoff
check
valve
automatic
bypass
drain
valve
SUPPLY
pressure
relief valve
INDIRECT
TANK
DELIVERY
13
main heat
exchanger
return
temperature
sensor
expansion
tank
pump
automatic
air vent
three-way
valve
RETURN
INDIRECT
TANK
RETURN
indirect tank
(OPTIONAL)
HOT
COLD
WATER
WATER
OUTLET
INLET
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