CHIMNEY CHASE AND MULTIPLE TERMINATIONS
For the purpose of this manual, a chimney chase is considered a part of the chimney system rather than part of a building. The chimney termination must be placed a minimum of eighteen inches or four hundred and sixty millimeters above the case.
For installations where more than one chimney is located in the same chase or within the same area, it is recommended that each chimney termination be separated by at least sixteen inches or four hundred and ten millimeters from the next chimney and each chimney termination be placed a minimum of eighteen inches or four hundred and sixty millimeters above the case. These separations are required to prevent smoke from migrating from one chimney to another. Figure 27 shows an example of the required minimums.
FIGURE 27: CHIMNEY CHASE AND MULTIPLE TERMINATIONS
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