10
3
Boiler side piping
IMG00184
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
BACKFLOW
PREVENTER
MAKEUP WATER
AIR
SEPARATOR
SYSTEM SUPPLY
SENSOR
EXPANSION
TANK
SYSTEM
CIRCULATOR
BALL VALVE
(TYPICAL)
TO
SYSTEM
DRAIN POINT
(TYPICAL)
NOT TO EXCEED 4 PIPE DIA.
OR A MAXIMUM OF 12” APART
FROM
SYSTEM
Y-STRAINER
(RECOMMENDED)
BOILER
CIRCULATOR
DOMESTIC
HOT WATER
CIRCULATOR
UNION
(TYPICAL)
TEMPERATURE/
PRESSURE GAUGE
DRAIN
PRESSURE
RELIEF VALVE
KNIGHT
BOILER
INDIRECT
INDIRECT
HOT
WATER
OUT
ANTI-SCALD
MIXING VALVE
RELIEF VALVE
(TYPICAL)
TANK SENSOR/
AQUASTAT
(TYPICAL)
RECIRCULATION
PUMP
DRAIN
(FIELD SUPPLY)
CHECK VALVE
COLD
WATER
IN
Figure 3-4 Multiple Tank Connections
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
Glass Lined Indirect Water Heater Installation & Operation Manual