Install Instructions

Installation & Operation Manual
35
Near boiler piping connections
Y-STRAINER
(RECOMMENDED)
DOMESTIC
HOT WATER
PUMP
CONDENSATE
DRAIN
SYSTEM
PUMP
BOILER
PUMP
F
R
O
MS
Y
S
T
E
M
T
O
SY
S
T
E
M
T
O
F
R
O
M
INDIRECT
DOMESTIC
HOT WATER
TANK
TO FLOOR
DRAIN
AIR
SEPARATOR
EXPANSION TANK
IMG00656
FLOW CHECK
VALVE
VENT
AIR
Figure 6-1A Near Boiler Piping
AIR VENT
VALVE
AIR
SEPARATOR
SYSTEM
SENSOR
DRAIN (TYPICAL)
SYSTEM
PUMP
LOW LOSS HEADER
(TYPICAL)
CONDENSATE
DRAIN
INDIRECT
DOMESTIC
HOT WATER
TANK
Y-STRAINER
(RECOMMENDED)
DRAIN VALVE
BOILER
PUMP
FILL VALVE
EXPANSION TANK
T
O
S
Y
S
T
E
M
F
R
O
M
S
Y
ST
E
M
F
R
O
M
T
O
DOMESTIC HOT
WATER PUMP
IMG00655
FLOW CHECK
VALVE
TO FLOOR
DRAIN
VENT
AIR
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.