New Buck Corporation 18 - Manual (Page 32)

Figure 12
For ceiling exit using close clearance listed chimney
1. Suspend a plumb bob from the ceiling above the unit so that the weight is hanging in the
center of the flue exit. (A small weight on a string will serve as a plumb bob.) Mark
the ceiling where the string is suspended to locate the center of the chimney hole.
2. After locating the center of the hole install the ceiling support box, chimney, flashing and
rain cap using listed chimney only. Only use pipe listed in this manual.
CAUTION
REFER TO CHIMNEY MANUFACTURER’S INSTRUCTIONS FOR ASSEMBLY
AND DISASSEMBLY OF CHIMNEY PARTS. BE SURE TO FOLLOW CHIMNEY
INSTRUCTIONS FOR PROPER CLEARANCES TO COMBUSTIBLE AND PROPER
AIR SPACING REQUIRED.
3. Add additional pipe until both of the following are met:
(a) Chimney pipe is 3 feet higher than roof at the point where it penetrates the roof and
24" min.
(610 mm)
OUTSIDE AIR DUCT THROUGH FLOOR WHEN
MOBLE HOME IS NOT UNDERPENNED
RAIN CAP
FLASHING
RADIATION SHIELD
24" min.
(610 mm)
OUTSIDE AIR DUCT THROUGH UNDERPENNED
RAIN CAP
FLASHING
RADIATION SHIELD
36" TYP.
36" TYP.
20 FT. MAX.
30