21 3/16 in.
(538 mm)
24 in.
(610 mm)
DTS134
21 3/16 in.
(538 mm)
26 in.
(660 mm)
DTS146
34 in.
(864 mm)
46 in.
(1168 mm)
Heatilator • ST42A Installation Manual • 4012-051 • Rev O • 02/22
20 in.
(508 mm)
34 in.
(864 mm)
24 in.
(610 mm)
DTO134
22 3/4 in.
(577 mm)
46 in.
(1168 mm)
26 in.
(660 mm)
DTO146