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Frame Dimensions For Square Ceiling Support Box - ECOVENT USA EV-SHT Installation Instructions Manual

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Table 1

FRAME DIMENSIONS FOR SQUARE CEILING SUPPORT BOX,

ROUND CEILING SUPPORT BOX, WALL THIMBLE, AND

RADIATION SHIELD

CHIMNEY SIZE

5"

6"

FRAMED

11 1/2

12 1/2

OPENING INSIDE

X

X 12

DIMENSIONS

11 1/2

1/2

Fig.7

7"

8"

13 1/2

14 1/2

X 13

X 14

1/2

1/2

6

Fig.8

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