J801X Installation Manual
20
FIGURES & TABLES
Figure 18. Furnace Dimensions
D
23 1/2
A
C
19
B
23
BOTTOM VIEW
TOP VIEW
Accepts 4” Type B Vent Pipe
FRONT
VIEW
Front Brace
Bottom
Panel
5/8
5/8
18 5/8
FLANGES
22 1/4
25
29 1/2
17 1/4
22 1/2
25 3/8
Gas
(Ø 1 5/8)
T-stat
(Ø 7/8)
LEFT
SIDE
RIGHT SIDE
Electric
(Ø 7/8)
34 1/2
24 1/4
25 3/8
17 7/8
28
T-stat
(Ø 7/8)
Electric
(Ø 7/8)
Gas
(Ø 1 5/8)
15
1 1/4
4 Knockouts
(both sides)
1
23
31
24 1/4
31
ULTRA-LOW NOX UPFLOW FURNACE
MODEL
NUMBERS
DIM.
-A-
DIM.
-B-
DIM.
-C-
DIM.
-D-
J801X055A
14 1/4 10 3/4 12 5/8 12 7/8
J801X070B
17 1/2 11 3/4 15 7/8 16 1/8
J801X100C
21 14 19 3/8 19 7/8
NOTE: Dimensions shown in Inches.










