Flame Energy XTD 1.9 Installation And Operation Manual page 33

XTD 1.9 Insert Installation and Operation Manual
This insert must be installed with a continuous chimney liner of 6" diameter extending from
the insert to the top of the chimney. The chimney liner must conform to the Class 3
requirements of CAN/ULC-S635, Standard for Lining Systems for Existing Masonry or
Factory-built Chimneys and Vents, or CAN/ULC-S640, Standard for Lining Systems for
New Masonry Chimneys.
NOTE: The Insert is not approved for use with a so-called "positive flue connection" to the
clay tile of a masonry chimney.
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