Install Instructions

41
6A Hydronic piping (continued)
Figure 6-7 Single Boiler - Primary / Secondary Piping_BOILER ONLY
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
BOILER
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
TEMPERATURE /
PRESSURE
GAUGE
AIR
SEPARATOR
EXPANSION
TANK
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
DRAIN POINT
(TYPICAL)
MAKE UP WATER
FROM
SYSTEM
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
SYSTEM
CIRCULATOR
TO
SYSTEM
SYSTEM SUPPLY
SENSOR
(OPTIONAL)
DRAIN
MAY SUBSTITUTE LOW LOSS HEADER
Y-STRAINER
(RECOMMENDED)
CHECK
VALVE
INDIRECT
DHW TANK
BOILER
CIRCULATOR
COLD
WATER
IN
HC
M
ANTI-SCALD
VALVE
DOMESTIC HOT WATER
CIRCULATOR
WATER
HOT
OUT
DIR #2000537249 00
Installation & Service Manual
FIRE TUBE
™