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Clearances to Combustibles
Listed Double Wall Chimney Connector
All measurements must be done before starting the installation.
Dimensions
All drawings are for reference only, showing approximate dimensions for rough-in purposes. In some
installations, two or more clearances to combustible walls may contradict each other. The clearance with
the greater numerical value must be used.
Rough In Measurements
Non-combustible hearth must extend 8 inches (203mm) to the sides and back of the unit. Must extend 21
inches (534mm) to the front in Canada and 18 inches (458mm) to the front in U.S. Hearth must extend fully
to the wall if using clearances that are less than these dimensions.
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Fig. 4 DESN 515005
Fig. 5 DESN 515007