Specifications – Sterling RT User Manual
Page 4
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Figure 1 - Standard Natural Vented Outdoor Duct Furnace
Chart 1 - Dimensional/Data
Figure 2 - Standard Power Vented Outdoor Duct Furnace
CAPACITY
US
CANADA
GAS INLET
(CA)
A B C D D *F K NAT LP
10
32-7/8 15-9/16 12
11 20-11/16 19-3/8 30-3/16
1/2
1/2
(835) (395) (305) (279) (525) (492) (767)
15
32-7/8 18-5/16 21-1/2
16 25-3/16 23-1/2 30-3/16
1/2
1/2
(835) (465) (546) (406) (640) (597) (767)
20
43-7/8 23-13/16 23-1/2
16
25-3/16 26-1/4 41-3/16
1/2
1/2
(1114) (605) (597) (406) (640) (667) (1046)
25
43-7/8 29-5/16 23-1/2
16 25-3/16 34-1/2 41-3/16
3/4 1/2
OR
3/4
(1114) (745) (597) (406) (640) (876) (1046)
30
54-7/8 34-13/16 26
17-1/2 26-11/16 37-1/4 52-3/16
3/4 1/2
OR
3/4
(1394) (884) (660) (445) (678) (946) (1326)
35 54-7/8
40-5/16 26 17-1/2
26-11/16
45-1/2
52-3/16 3/4
1/2
OR
3/4
(1394)
(1024) (660) (445) (678) (1156)
(1326)
40 60-3/8
45-13/16 26 17-1/2
26-11/16 51 57-11/16 3/4 1/2
OR
3/4
(1534)
(1164) (660) (445) (678) (1295)
(1465)
NOTE:
DIMENSIONS ARE IN INCHES, DIMENSIONS IN PARENTHESIS ARE IN MILLIMETERS.
* “F” DIMENSION IS THE RECOMMENDED CLEARANCE TO SERVICE THE BURNER DRAWER(S).
REFER TO FIGURE 6 FOR ADDITIONAL CLEARANCE REQUIREMENTS.
SPECIFICATIONS
DFR3541A
TFR3779 A
4" (102)
1" (25)
Typ.
5-1/16"
(129)
Electrical
Connections
5/8" (16) Typ.
Anchor Hole
Location
A
10-1/8"
(257)
B
Opening Typ.
13/16" (21) Typ.
Anchor Hole
Location
Gas
Connection
8-3/4"
(222)
*
F
26"
(660)
31-1/4"
(794)
CL
39"
(991)
19"
(483)
Opening
K
1-1/8" (29)
Typ. Duct
Flange
Flue
Product
Outlet
Combustion
Air Inlet
DFR3538A
TFR3779A
4" (102)
1" (25)
Typ.
5-1/16"
(129)
Electrical
Connections
5/8" (16) Typ.
Anchor Hole
Location
Vent Cap
Is Shipped
In Separate
Carton
A
C (Typ.)
10-1/8"
(257)
B
Opening Typ.
13/16" (21) Typ.
Anchor Hole
Location
Gas
Connection
8-3/4"
(222)
*
F
26"
(660)
31-1/4"
(794)
CL
D
39"
(991)
19"
(483)
Opening
K
1-1/8" (29)
Typ. Duct
Flange