New Buck Corporation 74 Manual page 47

Non-catalytic unit
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A. Straight up through ceiling (See Page 4 Figures 1 and 2). This is a simple installation normally used
when installing a Model 51ZC inside an existing room, and in some cases, in new construction.
Refer to (Page 4 Figure 3) if an offset to clear an obstruction is needed.
WARNING:
Only one pair of 15 degree or 30 degree offsets can be used.
FIGURE 4 EXTERIOR WALL CHASE
B. Exterior Chase Installation: (See Figure 4). A chase is an enclosure built specifically to house a
chimney. The interior of a chase is open from Model 51ZC to the roof, eliminating the need to cut
through ceilings and the roof. Normally, a chase is built through the wall, and the Model 51ZC is located
in the bottom of the chase, with the front of the unit flush with the interior wall. Chases are commonly
veneered on the outside with brick, stone or wood to give the appearance of a conventional fireplace
flue. Occasionally, they are built inside and boxed in, similar to a stairwell. When making a chase instal-
lation, it is important to read the chimney manufacturer's instructions prior to building, as there are spe-
cific requirements for bracing a free standing flue that must be planned for. There are also occasions
where offsets are used within a chase to accommodate unusual building designs, or to locate the Model
51ZC further into a room.
Z.C. CABINET
Page 5
CHIMNEY CAP
STORM COLLAR
FLASHING
CHIMNEY PIPE
OPTIONAL METAL FIRESTOP RADIATION
SHIELD
WALL BAND

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