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Installation & Operation Manual
35
Near boiler piping connections
VENT
AIR
Y-ST RAIN ER
(RECOMMENDED)
DOMESTIC
HOT WATER
PUMP
CONDENSATE
DRAIN
SYSTEM
PUMP
BOILER
PUMP
F
R
O
MSY
ST
E
M
T
O
S
Y
S
T
E
M
TO
FROM
INDIRECT
DOMESTIC
HOT WATER
TANK
TO FLOOR
DRAIN
AIR
SEPARATOR
EXPANSION TANK
SYSTEM
SENSOR
Figure 6-1A Near Boiler Piping w/Y-Strainer
VENT
AIR
TO FLOOR
DRAIN
AIR VENT
VALVE
AIR
SEPARATOR
SYSTEM
SENSOR
DRAIN (TYPICAL)
SYSTEM PUMP
LOW LOSS HEADER
(TYPICAL)
CONDENSATE
DRAIN
INDIRECT
DOMESTIC
HOT WATER
TANK
Y- ST RA IN ER
(RECOMMENDED)
DRAIN VALVE
BOILER
PUMP
FILL VALVE
EXPANSION TANK
T
O
S
Y
ST
EM
F
R
O
M
S
Y
ST
EM
F
R
O
M
T
O
DOMESTIC HOT
WATER PUMP
AIR SEPARATOR
SYSTEM SENSOR
Figure 6-1B Near Boiler Piping w/Low Loss Header
6 Hydronic piping (continued)
Circulator sizing
The Knight wall mount boiler heat exchanger does have a pressure drop, which must be considered in your system design. Refer
to the graph in FIG. 6-2 for pressure drop through the Knight wall mount boiler heat exchanger.