Installation & Operation Manual
45
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)
PRESSURE
RELIEF VALVE
DRAIN POINT
(TYPICAL)
MAKE UP WATER
FROM
SYSTEM
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
BOILER
CIRCULATOR
SYSTEM
CIRCULATOR
TO
SYSTEM
SYSTEM SUPPLY
SENSOR
DRAIN
MAY SUBSTITUTE LOW LOSS HEADER
Y-STRAINER
(RECOMMENDED)
HOT
WATER
OUT
FLOW CHECK VALVE
Figure 6-10
Single Boiler - Non-Zoned Primary/Secondary Piping
6
Hydronic piping
(continued)
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
