ZONE
VALVES
HEATINGUNITS
AIR
SCOOP
DIAPHRAGM
EXPANSION
FEED TANK
VALVE
PIPEPRESSURE
RELIEF VALVE
TO DRAIN
COLD
WATER
INLET
CIRCULATOR
COLD
WATER
SUPPLY
AIR
VENT
HOTWATER
SUPPLY
Fig.# 8998.1
ZONE HEATING WITH INDIRECT DOMESTIC
HOT WATER SUPPLY
13
VALVES
HEATINGUNITS
SCOOP
DIAPHRAGM
EXPANSION
FEED TANK
VALVE
RELIEF VALVE
TO DRAIN
COLD
WATER
CIRCULATOR
COLD
WATER
SUPPLY
VENT
HOTWATER
SUPPLY
Fig.# 8998.1
13