New Buck Corporation 74 Ceiling Exit Using Close Clearance listed chimney

14.From under the mobile home, slip the duct up through the 4-1/4" hole. Push up until the face of the outside air duct contacts the underside of the floor of the mobile home. For certain floor thickness, you may have to shorten the length of the outside air duct.

15.Secure the outside air duct to the floor using the four (4) #10x1 screws provided. (See Figure 12A.)

RAIN CAP

24" min.
(610 mm)	36" TYP.
	FLASHING

RADIATION SHIELD

20 FT. MAX.

OUTSIDE AIR DUCT THROUGH FLOOR WHEN

MOBLE HOME IS NOT UNDERPENNED

RAIN CAP

24" min.
(610 mm)	36" TYP.

FLASHING

RADIATION SHIELD

OUTSIDE AIR DUCT THROUGH UNDERPENNED

Figure 12A

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.

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