395823110a 10
7. Check that all clearances are still within the allowable tolerances.
8. Secure adjoining sections of chimney connector to each other using three
equally spaced sheet metal screws. Secure the connector pipe to flue collar
using three equally spaced sheet metal screws. DO NOT secure chimney
connector to chimney with screws.
DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER
APPLIANCE.
9. The unit must be connected to either:
• a code-approved masonry chimney with a flue liner, or
• a 6 inch diameter factory built chimney complying with the requirements
for Type HT chimneys in the standard UL 103.
Minimum Chimney Height
American National Standards Institute ANSI/NFPA 211-92, draft 1-7 states that a
chimney or vent shall be so designed and constructed to develop a flow sufficient
to completely remove all flue and vent gases to the outside atmosphere. The
venting system shall satisfy the draft requirements of the connected appliance in
accordance with the manufactures instructions.
The “3-foot, 2-foot, 10-foot rule” on chimney height states that a chimney must be:
1. at least 3 feet higher than the highest part of the roof opening through which it
passes,
2. and at least 2 feet higher than any part of the roof within 10 feet, measured
horizontally.
2'
10'
3'
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