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3
Boiler side piping
Figure 3-3 Knight Boiler Primary / Secondary Piping
BACKFLOW
PREVENTER
MAKE UP WATER
AIR
SEPARATOR
SYSTEM SUPPLY
SENSOR
TO
SYSTEM
SYSTEM
BALL VALVE
CIRCULATOR
(TYPICAL)
EXPANSION
TANK
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
NOTICE
for all equipment and detailing required by local codes.
(continued)
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
BOILER
CIRCULATOR
DRAIN POINT
(TYPICAL)
UNION
(TYPICAL)
TEMPERATURE /
PRESSURE
GAUGE
DRAIN
PRESSURE
RELIEF VALVE
Installation & Operation Manual
FROM
SYSTEM
Y-STRAINER
(RECOMMENDED)
DOMESTIC
ANTI-SCALD
HOT WATER
MIXING VALVE
CIRCULATOR
KNIGHT
BOILER
HOT
WATER
OUT
COLD
WATER
IN
TANK SENSOR/
AQUASTAT
CHECK VALVE
RECIRCULATION
PUMP
DRAIN
SQUIRE
( FIELD SUPPLY )
9
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