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Item #
701
Computer board
702
Rubber grommet
703
Surge box
704
120 VAC wire for Indoor model
120 VAC wire for Outdoor model
705
120 VAC Power ON-OFF switch
706
Remote controller wire for Indoor model
Remote controller wire for Outdoor model
707
Gas valve wire
708
Flame rod wire
709
Igniter assembly
710
Freeze protection thermostat
711
Proportional gas valve wire
712
Nylon clamp FC6
713
Computer board cover
714
Cable clamp for Indoor model
715
Exhaust thermistor for Indoor model
716
Exhaust Hi-limit switch wire
721
Temperature controller for Indoor model
722
Fixing plate
723
Temperature remote controller
724
Remote controller connection wire
OUTPUT TEMPERATURE CHART
Chart is based on properly sized gas line
140 (T-H3M) model
Output Temperature vs. GPM ( Max. 7.0 GPM ) with Various Inlet Water Temperature
8.0
6.0
4.0
2.0
0.0
Set Temp. (°F)
100
105
40
3.8
3.5
50
4.6
4.1
60
5.7
5.1
70
7.0
6.4
Description
110
115
120
3.2
3.0
2.8
3.8
3.5
3.3
4.6
4.1
3.8
5.6
5.0
4.5
54
Page
Owner's Guide
Part #
140 model
320273-369
319143-426
320273-128
319143-427
319143-546
319143-141
320273-376
319143-473
320273-379
320273-380
320273-381
319143-185
319143-481
N/A
319143-191
319143-500
319143-131
319143-501
320273-684
N/A
9009069005
320273-512
40
50
60
125
130
135
2.7
2.5
2.4
3.0
2.9
2.7
3.5
3.3
3.0
4.1
3.8
3.5
Parts List
T-H3M model
EK480
EX148
EK280
EK146
EK143
EKK4V
EK481
EK138
EK482
EK483
EK484
EKJ59
EK112
EX004
EKK1M
EX13C
EKH6E
EK180
EK487
EK490
TM-RE42
EK489
70
140
2.3
2.5
2.9
3.2
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