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5. Obtain the Listed and Approved Chimney Installation instructions and follow exactly.
a) Obtain the starter section of pipe and install on the ZC20 cabinet. It my be necessary to crimp the inside of
the starter pipe to ease installation into the ZC20 cabinet.
b) Obtain the two short sheet metal “ell” brackets and sheet metal screws provided with the ZC20 and secure
the starter section of pipe to the ZC20 cabinet.
c) Add applicable lengths of chimney extending through the roof until the following conditions are met:
1. The chimney must extend a minimum of 3’ above the highest point where it penetrates the roof.
2. The chimney must extend a minimum of 2’ higher than any portion of the building within 10’ of the
chimney but not to exceed 15’ above the hearth.
d) Install the flashing, storm collar, and chimney cap as indicated in the manufacturer’s installation
instructions.
6. The ZC20 Cabinet is now ready for framing as follows:
a) Frame the ZC20 using 2”x4” studs or local building code framing. Some minor framing restrictions are
required:
1. Adjacent side walls must be at least 17” from the outer edge of the ZC20 trim panel.
2. The overall opening dimensions must be at least 37 15/16” wide and 34 5/8” high.
b) 2”x4” framing above the unit must be turned flat. This allows proper clearance from framing to chimney
(2” minimum). (See Figure 10.)
FIGURE 9
2 ft.
RAIN CAP
STORM
COLLAR
FLASHING
NEW BUCK
FIRE STOP
RADIATION
SHIELD
OUTSIDE AIR
DUCT THROUGH
UNDERPINNING
2 ft.
RAIN CAP
STORM COLLAR
FLASHING
NEW BUCK
FIRE STOP
RADIATION
SHIELD
3 ft. Typical
20 ft. Max.
(Typical)
OUTSIDE AIR DUCT
THROUGH FLOOR
WHEN MOBILE
HOME IS NOT UN-
DERPINNED