HVAC
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HEATER CORES
SPECIFICATIONS
C
B
A
Listed in ascending order by Height measured along the fin x Length of coil is the fin segment between header plates x Width is the coils “thickness”
Height 1
Length 2
Width 3
Inlet
Outlet
Used On Red Dot Models
Alliance P/N
4
10 3/4
1 7/8
#8 Male O-Ring
#8 Male O-Ring
R-2020
ABP N83
315195
4
19 1/8
1 7/8
R-9750
ABP N83
315250
5 1/8
15 2/3
2 7/8
#8 Male O-Ring
#8 Male O-Ring
R-8500, R-10035-0, -1, -2, -3, -4
ABP N83
315020
6
6
1 7/8
R-254-0, R-256, R-290-0
ABP N83
315115
6
6
1 7/8
3/4” O.D. Nipple
3/4” O.D. Nipple
R-254-1
ABP N83
315120
6
6
1 7/8
R-254-4, R-290-4
ABP N83
315135
6
6
3 11/32
R-7550-1
ABP N83
315050
6
11
2
ABP N83
315022
6
11
2 3/16
R-1630
ABP N83
315620
6
12 7/16
1 7/8
R-255-0, R-295
ABP N83
315125
6
12 7/16
1 7/8
3/4” O.D. Nipple
3/4” O.D. Nipple
R-255-1
ABP N83
315130
6
12 7/16
1 7/8
R-255-4, R-295-4
ABP N83
315085
6
13 1/2
1 7/8
R-8545
ABP N83
315265
6
15
2 5/32
R-3300
ABP N83
315295
6
18 5/8
3 1/4
R-9777
ABP N83
315395
6 7/64
16 1/2
2 11/64
R-2825
ABP N83
315640
6 7/64
23 13/64
1 1/2
R-3960
ABP N83
315400
6 7/64
23 29/64
1 1/2
R-9475
ABP N83
315645
7
8 1/4
2 1/2
R-5050 with Drainpan, R-8050, R-8150, R-8820 ABP N83
315220
7
8 1/2
2 1/2
R-8820-2
ABP N83
315415
7
8 1/2
2 1/2
Alliance Applications
ABP N83
315490
7
17 1/2
2 5/32
R-9800
ABP N83
315430
7 7/64
17 1/2
2 5/32
R-9737-3, R-9757
ABP N83
315495
7 1/2
13
1 3/4
ABP N83
315023
7 3/4
9 1/2
2 3/16
5/8” O.D. Nipple
3/4” O.D. Nipple
Alliance Applications
ABP N83
315310
7 7/8
9
1
Kenworth Applications
ABP N83
315500
8
5 5/8
2 1/2
R-3911
ABP N83
315105
8
5 5/8
2 7/8
R-4290
ABP N83
315180
8
5 5/8
2 7/8
R-4190, R-4290
ABP N83
315175
8
7 5/16
2 7/8
R-4120, R-4122, R-4160
ABP N83
315055
8
7 3/4
2
Alliance Applications
ABP N83
315315
8
7 7/8
2 7/8
R-1500
ABP N83
315015
8
7 7/8
2 7/8
R-4190
ABP N83
315185
**All heater cores have 5/8” O.D. inlet and outlet nipples unless noted.
1. Height of coil is measured along the fin.
2. Length of coil is the fin segment between header plates.
3. Width is coil dimension; e.g. 4 rows of tubes is 2 1/2 inches.