38
Installation & Operation Manual
BOILER
INDIRECT
DHW TANK
DOMESTIC
HOT WATER
CIRCULATOR
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
ANTI-SCALD
MIXING VALVE
COLD
WATER
IN
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
EXPANSION
TANK
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
DRAIN
DRAIN POINT
(TYPICAL)
MAKE UP WATER
HOT
WATER
OUT
ZONE CIRCULATORS
(TYPICAL)
FLOW CHECK
VALVE
(TYPICAL)
BOILER
CIRCULATOR
SYSTEM SUPPLY
SENSOR
PRESSURE
RELIEF VALVE
Y-STRAINER
(RECOMMENDED)
MAY SUBSTITUTE LOW LOSS HEADER
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
ZONE #1
ZONE #2 ZONE #3
ZONE #4
Figure 6-3
Single Boiler - Single Temperature Zoned with Circulators
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
6
Hydronic piping
