Slant/Fin VHG-100-CH Installation And Service Manual page 71

Do not operate the appliance with the rain cap removed from the concentric terminations or
else recirculation of combustion products may occur. Water may also collect inside the larger
combustion air pipe and flow to the burner enclosure. Failure to follow this warning could
WARNING
result in product damage or improper operation, personal injury, or death.
Ensure termination location clearance dimensions are as shown in the appropriate figures
NOTICE
DO NOT use field-supplied couplings to extend concentric terminations. Airflow restriction
will occur and may cause intermittent operation.
CAUTION
Multi venting wall terminations
When two (2) or more direct vent appliances are vented near each other, each appliance must be individually
vented (see Figure 9.20). NEVER common vent or breach vent this appliance. When two (2) or more direct vent
appliances are vented near each other, two (2) vent terminations should be installed as shown in Figure 9.20. It
is important that vent terminations be made as shown to avoid recirculation of flue gases.
Concentric sidewall multiple boilers termination.
Figure 9.20
Note: keep the terminals horizontally in the same line and at min. 12" above grade or snow line.
E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
71