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CAUTION: This venting system requires the
installation of a condensate drain in the vent piping
per the vent manufacturer’s instructions. Failure to
install a condensate drain in the venting system will
void all warranties on this heater. Condensate is
acidic and highly corrosive.
NOTE: Ensure adequate clearances to allow annual
inspection of the venting system.
Fig. 7: Vertical Venting
CAUTION: A listed vent cap terminal adequately
sized, must be used to evacuate the flue products
from the building.
NOTE: If installing multiple heaters with common
vent, contact the factory.
Venting Configurations
For heaters connected to gas vents or chimneys, vent
installations shall be in accordance with the NFGC
(U.S.), or B149 (Canada), or applicable provisions of
local building codes.
Vertical Venting (Category IV)
Installation
Fig. 6: Vertical Venting
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