440 01 4800 01
25
Specifications subject to change without notice.
Table 8 – Opening Dimensions -- In. (mm)
FURNACE
CASING
WIDTH
IN. (mm)
APPLICATION
PLENUM OPENING
FLOOR OPENING
A
B
C
D
14–3/16
{
(360)
Upflow Applications on Combustible or Noncombustible
Flooring (subbase not required)
12---11/16
(322)
21---5/8
(549)
13---5/16
(338)
22---1/4
(565)
Downflow Applications on Noncombustible Flooring
(subbase not required)
12---9/16
(319)
19
(483)
13---3/16
(335)
19---5/8
(498)
Downflow applications on combustible flooring
(subbase required)
11---13/16
(284)
19
(483)
13---7/16
(341)
20---5/8
(600)
Downflow Applications on Combustible Flooring with coil
assembly or coil box (subbase not required)
12---5/16
(319)
19
(483)
13---5/16
(338)
20
(508)
17–1/2
(445)
Upflow Applications on Combustible or Noncombustible
Flooring (subbase not required)
16
(406)
21---5/8
(549)
16---5/8
(422)
22---1/4
(565)
Downflow Applications on Noncombustible Flooring
(subbase not required)
15---7/8
(403)
19
(483)
16---1/2
(419)
19---5/8
(498)
Downflow applications on combustible flooring
(subbase required)
15---1/8
(384)
19
(483)
16---3/4
(425)
20---5/8
(600)
Downflow Applications on Combustible Flooring with coil
assembly or coil box (subbase not required)
15---1/2
(394)
19
(483)
16---1/2
(419)
20
(508)
21
(533)
Upflow Applications on Combustible or Noncombustible
Flooring (subbase not required)
19---1/2
(495)
21---5/8
(549)
20---1/8
(511)
22---1/4
(565)
Downflow Applications on Noncombustible Flooring
(subbase not required)
19---3/8
(492)
19
(483)
20
(508)
19---5/8
(498)
Downflow applications on combustible flooring
(subbase required)
18---5/8
(473)
19
(483)
20---1/4
(514)
20---5/8
(600)
Downflow Applications on Combustible Flooring with coil
assembly or coil box (subbase not required)
19
(483)
19
(483)
20
(508)
20
(508)
24---1/2
(622)
Upflow Applications on Combustible or Noncombustible
Flooring (subbase not required)
23
(584)
21---1/8
(537)
23---5/8
(600)
22---1/4
(565)
Downflow Applications on Noncombustible Flooring
(subbase not required)
22---7/8
(581)
19
(483)
23---1/2
(597)
19---5/8
(498)
Downflow applications on Combustible flooring
(subbase required)
22---1/8
(562)
19
(483)
23---3/4
(603)
20---5/8
(600)
Downflow Applications on Combustible Flooring with coil
assembly or coil box (subbase not required)
22---1/2
(572)
19
(483)
23---1/2
(597)
20
(508)
* Not all families have these models.