Chimney Exhaust System
The chimney must be fire resistant and large
enough to accommodate the volume of air
exhausting from the dryers. Consideration
must be made for lint buildup, excessive
chimney pressures, back drafts and other
technical factors, which will influence the
performance and the safety of the system.
A lint clean-out access door should be
included at the bottom of the chimney.
Each dryer must have a 4” diameter back
draft damper, adjusted so that it will just
close with the dryer inoperative. This will
prevent the exhaust and lint of one dryer
from going into another dryer and its room.
The duct system for each individual dryer
must meet the turn and length requirements
as noted in Section 1. Use the specs for a 2
½” exhaust hood for proper dryer
performance. Include the 90-degree elbow
and all ducting in the chimney in your
calculations. The 22” (minimum) of vertical
ducting in the chimney reduces backpressure
and is required for proper dryer
performance.
For information on venting kits and
accessories, please call:
1-800-361-3400 (In Canada)
1-800-GE-CARES (in U.S.A.)
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