Fig.# 8191.1
WARNING: These heaters must not be connected into any portion of mechanical draft systems operating under positive pressure. To do so may cause the flue products to be discharged into the living space causing serious health injury.
For connections to gas vents or chimneys, vent installations shall be in accordance with Part 7, Venting of Equipment, of the National Fuel Gas Code, ANSI Z223.1, or applicable provisions of the local building codes.
COMMON VENTS
Manifolds that connect more than one heater to a common chimney must be sized to handle the combined load.
Consult available guides for proper sizing of the manifold and the chimney.
At no time should the area be less than the area of the largest outlet.
Fig. #9001
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