7
CIRCULATOR
VALVE
EXPANSION
TANK
VALVE
RETURN
SUPPLY
(31 cm)
MAX.
CIRCULATOR
FLOW
VALVE
SYSTEM
TEMPERATURE
GAUGE
"B"
"A"
SYSTEM
PRIMARY
12"
FEED
WATER
Figure 5 - Primary Secondary Piping with Bypass
Figure 6 - Typical Installation Using Circulators
CONNECTING SUPPLY AND RETURN PIPING