Piping Diagram 3 : Multizone System With Zone Valves And Domestic Hot Water Priority (With Circulator)
ZONE 4
*USE FULL PORT ZONE
VALV E.
BOILER
WATER
INLET
EXPANSION
TANK
CH
FLOW CONTROL
VALV E
©
CIRCULATOR
SHUT-OFF
VALVE
DHW
CIRCULATOR
ZONE 1 (PRIORITY
ZONE)
i_
PRESSURE
REDUCER
VALVE
CHECK VALVE
(_
BALL VALVE
[]>_:_ ZON E VALVE
AIR SEPARATOR
I-_
HOSE BIB
t
I'
NOTE: NOT RECOMMENDED FOR ANTIFREEZE APPLICATIONS