9
Heatilator • Birmingham 42-B Installation Manual • 4059-715 • Rev P • 09/28/15
16 1/8 in.
408 mm
Gas Line
Knockout
11 1/8 in.
282 mm
6 7/8 in.
175 mm
5 in.
129 mm
42 in.
1067 mm
52 7/8 in.
1343 mm
3 3/4 in.
97 mm
38 in.
965 mm
54 in.
1372 mm
74 1/8 in.
1883 mm
97 1/2in.
2477 mm
70 3/4 in.
1797 mm
16 1/8 in.
408 mm
11 1/8 in.
282 mm
6 7/8 in.
175 mm
5 in.
129 mm
37 1/8 in.
943 mm
11 in.
281 mm
27 1/2 in.
699 mm
74° TYP.
Gas Line
Knockout
Transition included with unit
3
Framing and Clearances
A. Fireplace Dimensions
Figure 3.1 Fireplace Dimensions