Minimum Fireplace Opening - Heat & Glo ATS-AU-D Installation And Operation Instructions Manual

15/16 [24MM]
20 1/4
[514MM]
[64MM]
8 15/16
[227MM]
TOP VIEW
MASONRY OF FACTORY-BUILT FIREPLACE
20 1/2
[521MM]
32 1/8 [816MM]
FIGURE 2
10 1/16 [256MM]
15 1/16 [383MM]
GAS LINE
ACCESS
11 7/8
[302MM]
22 11/16
[575MM]
2 1/2
5 15/16
[151MM]
Heat & Glo • ATS-AU-D • 327-900 Rev. D • 2/06
20 3/16 [512MM]
15 1/4 [387MM]
28 3/4 [731MM]
32 7/8 [835MM]
32 7/8 [835MM]
27 7/16 [697MM]
31 13/16 [808MM]

MINIMUM FIREPLACE OPENING

WIDTH:
DEPTH:
HEIGHT:
13 1/2
[343MM]
NOTE: If exhaust collar on insert and fireplace
damper do not line up, add 4 inches (102mm) to
minimum fireplace opening height to accommodate
bends in vent pipe.
2 3/16 [55MM]
13 1/4 [336MM]
2 5/16 [58MM]
13 13/16
[351MM]
21 7/16 [544MM]
6 1/16 [154MM]
32 1/8" (816mm)
13 1/2" (343mm)
20 1/2" (521mm)
ELECTRICAL
ACCESS
2 9/16
[65MM]
5