36
1.
B-2.
2.
3.
4.
APPENDIX B-1 - VENT DAMPER INSTALLATION
B.1 DAMPER INSTALLATION
.
Figure B-1a - Horizontal Installations
Figure B-2 - Alternate Vent Damper Installation
Check vent damper operation as follows:
1.
2.
3.
4.
5.
6.
7.
DO NOT
will result.
8.
9.
Flue Gas
Flue Gas Flow
OPEN
OPEN
B.2 Vent Damper
WARNING
invisible.
!
Figure B-3 - Vent Damper Position Indicator
Do Not
Do not install Vent
Water
Boiler
To Boiler
T
NO
NO
Flow
T
Vent
To Boiler
installed
position
Flow
Figure B-1b - Vertical Installations
PN 240012889 Rev. A [07/31/2020]
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