User Guide

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