Installation & Operation Manual
37
6
Hydronic piping
(continued)
BOILER
INDIRECT
DHW TANK
DOMESTIC
HOT WATER
CIRCULATOR
ANTI-SCALD
MIXING VALVE
COLD
WATER
IN
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
ZONE #1
ZONE #2 ZONE #3 ZONE #4
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
PRESSURE
RELIEF VALVE
DRAIN POINT
(TYPICAL)
MAKE UP WATER
HOT
WATER
OUT
BOILER
CIRCULATOR
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
EXPANSION
TANK
ZONE #1
ZONE #2 ZONE #3 ZONE #4
ZONE VALVES
(TYPICAL)
FLOW CHECK
VALVE
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED)
SYSTEM
CIRCULATOR
SYSTEM SUPPLY
SENSOR
DRAIN
Y-STRAINER
(RECOMMENDED)
MAY SUBSTITUTE LOW LOSS HEADER
Figure 6-5
Single Boiler Zoned with Valves
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