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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
Fig.# 8191.1