
6 | Sentry |
Figure 4.
Figure 8. Damper Vane
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| Size | 4" | 5" | 6" | 7" | 8" |
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| A | 95⁄16" | 105⁄16" | 115⁄16" | 125⁄16" | 135⁄16" |
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Figure 5. Vent Damper Dimensions
Figure 9.
Once you have begun vent damper installation procedure, DO NOT restore electric power and gas supply until installation and inspection have been completed (in order to prevent the main burners from operating). DO NOT operate the boiler until the vent damper harness "RECEPTACLE B" is plugged into "MALE PLUG" (as described in the installation instructions), and the vent damper installation and checkout procedures have been completed. Failure to observe this warning may create a hazardous condition that could cause an explosion or carbon monoxide poisoning.