13
About the Boiler
1.5 Dimensions
The following diagrams show the dimensions of the boiler and the table lists the supply connections.
33.5" (850 mm)
43.3" (1,100 mm)
35.5" (901 mm)
Supply Connections
Description
Diameter
A Air Intake
2 in
B Exhaust Gas Vent
2 in
C PRV-Air Vent Connection
3
/
4
in
D Heating Supply
1 in
E
Heating Return
1 in
F
Gas Connection
3
/
4
in
G Condensate Outlet
1
/
2
in
H Cold Water Inlet (DHW)
3
/
4
in
I
Hot Water Outlet (DHW)
3
/
4
in
J
Auto Feeder Inlet (Make-up Water)
1
/
2
in
Overhead View
A
B
C
3.8” (97 mm)
4.3” (109 mm)
4.1”
(105 m
m
)
9.7” (246 mm)
17.3” (440 mm)
Supply Connections
14.6” (370 mm)
2.6” (67 mm)
9.7” (247 mm)
5.2” (131 mm)
D
J E
17.3”
(440
m
m
)
8.5” (215 mm)
10.6“ (269 mm)
3.3”
(85 mm)
2”
(53 mm)
I
H
F G
5.4”
(136.6 mm)
5.4”
(136.6 mm)
3.4”
(87 mm)
Содержание NFC-250/175H
Страница 67: ...67 Venting for Combustion Air WARNING The vent installation detector Detectable Undetectable...
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