New Buck Corporation 261 - Manual (Page 45)

Take measurements from bottom of heater, and use them to locate the
opening for the out side air duct, place them onto protective pad.
HOW TO LOCATE CHIMNEY EXIT, AND INSTALL
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.
Optional air inlet plate opening on outer bottom of unit.
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.
OUT SIDE AIR
OUT SIDE AIR DUCT THROUGH FLOOR WHEN
MOBILE HOME IS NOT UNDERPINNED
OUT SIDE AIR DUCT THROUGH FLOOR WHEN
MOBILE HOME IS UNDERPINNED
Figure 36
Pry ,and twist out inner tab till it breaks loose.
Outer Bottom Of Unit
PROTECTIVE PAD
4-1/4” OUT SIDE AIR
DUCT HOLE
MEASUREMENT
Figure 37
RADIATION
SHIELD
RAIN CAP RAIN CAP
FLASHING
FLASHING
RADIATION
SHIELD
MEASUREMENT
20 ft. MAX
36" TYP. 24" min.(610mm)
24" min.(610mm)
36" TYP.
Figure 38
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