New Buck Corporation 81 User Manual page 29

24" min.
(610 mm)
Ceiling Exit (Using Close Clearance Listed Chimney)
1. Suspend a plumb bob from ceiling above unit so that weight is hanging in center of flue
exit. (A small weight on a string will serve as a plumb bob). Mark ceiling where string is
suspended to locate center of chimney hole.
2. After locating center of hole, install ceiling support box, chimney or chimney connector,
flashing and rain cap using listed 2100° HT chimney only. Only use pipe listed in this
manual.
REFER TO CHIMNEY MANUFACTURERS INSTRUCTIONS FOR ASSEMBLY AND
DISASSEMBLY OF CHIMNEY PARTS. BE SURE TO FOLLOW CHIMNEY INSTRUC-
TIONS FOR PROPER CLEARANCES TO COMBUSTIBLE AND PROPER AIR SPACING
REQUIRED.
3. Add additional pipe until both of the following are met:
RAIN CAP
Figure 12
36" TYP.
FLASHING
RADIATION SHIELD
20 FT. MAX.
OUTSIDE AIR DUCT THROUGH FLOOR WHEN
OUTSIDE AIR DUCT THROUGH FLOOR
WHEN MOBILE IS NOT UNDERPINNED MOBLE HOME IS NOT UNDERPENNED
CAUTION
Page 27
24" min.
(610 mm)
OUTSIDE AIR DUCT THROUGH UNDERPENNED
OUTSIDE AIR DUCT THROUGH UNDERPINNING
RAIN CAP
36" TYP.
FLASHING
RADIATION SHIELD