Replacement Parts List

E. Components diagram / Parts list
Case assembly
Water intlet secon
Water outlet secon
702
704
052
052
052
006
704
005
052
004
004
001
007
003
050
002
001
714
002
Computer board assembly
709
710
103
708
402
707
701
711
716
402
407
408
060
713
706
for
Indoor model
for
Outdoor model
Burner assembly
722
721
056
721
724
Temperature contoller
Indoor model
Temperature remote controller
723
Water way assembly
C
D
D
C
461
452
412
153
152
417
466 064
411
058
413
450
053
415
403
052
467
463
063
455
458
462
413
451
451
413
451
414
414
451
052
409
457
460
453
408
059
454
410
416
455
458
402
459
457
404
406
456
405
052
453
407
059
416
053
417
A
B
A
B
401
154
E
E
467
463
063
455
458
455
467
463
063
455
458
A
455
455
468
B
467
463
063
455
458
455
for Indoor model
418
419 465
715
464
053
Surge box
701
710
703
120
053
705
712
712
101
401
116
053
117
103
105
064
054
104
115
053
053
106
107
108
708
110
061
109
111
709
112 053
114
113
707
102
053
120
709
150
057
055 062
053 711
117
055
119
151
118
051
Burner assembly
Manifold
assembly
Item #
Part #
Description
140 model T-H3M model
001
N/A
N/A
EK450
EK451
Case assembly for Indoor model
Case assembly for Outdoor model
002 N/A
N/A
EK452
EK453
Front cover for Indoor
Front cover for Outdoor
003
004
005
006
007
320273-350
N/A
319143-510
320273-352
N/A
EK454
EK455
EK190
EK456
EK457
Intake air port assembly
Bracket
Junction box
Power supply cord assembly
Back guard panel
050
051
052
053
319143-025
319143-325
319143-026
319143-060
EW000
EW001
EW002
EW003
Screw M4×12 (W/Washer)
Screw M4×10 (W/Washer)
Screw M4×10 (Coated)
Screw M4x10
054
055
056
057
319143-326
319143-063
N/A
319143-201
EW004
EW005
EW018
EKK31
Hex head screw M4×12 (W/Washer)
Hex head screw M4x8
Pan screw M4X20
Tap tight screw M4x12 FEZN
058
059
060
319143-087
319143-328
N/A
EW00A
EW009
EK191
Screw M3x6 SUS
Screw M4x6
Screw M3x6
061
062
063
064
319143-059
319143-048
320273-497
319143-330
EW00D
EM167
EW00P
EW00B
Pan screw M4x8
Wire clamp 60
Screw M4x10
Screw M3x6 SUS3
Item #
Part #
Description
140 model T-H3M model
101
102
320273-353
320273-354
320273-356
EK458
EK459
EK460
Burner assembly
Manifold with gas valve assembly LP
Manifold with gas valve assembly NA
103 319143-443
319143-043
EK109
EKK25
Fan motor for Indoor model
Fan motor for Outdoor model
104
105
106
107
319143-031
320273-557
319143-282
319143-033
319143-034
EKK2X
EK491
EM381
EKK2V
EKK2W
Burner gasket
Fan damper for Indoor model
Fan damper for Outdoor model
Burner window
Rod holder gasket
108
109
110
111
319143-517
320273-357
319143-036
320273-358
EK193
EK461
EKK32
EK462
Flame rod
Igniter rod
Rod holder
Rod cap
112
113
114
115
320273-359
320273-360
319143-044
319143-045
319143-032
EK463
EK464
EKK2Y
EKK2K
EKK0G
Burner damper Indoor
Burner damper Outdoor
Manifold gasket A
Manifold gasket B
Burner holder gasket
116
117
118
119
319143-042
319143-344
320273-362
319143-049
EKK2D
EX019
EK465
EKK2Z
Pressure port
Combustion chamber tube
Gas inlet
Gas inlet ring
120 N/A EK466 Surge box plate
150
151
152
153
154
319143-350
319143-057
319143-370
319143-121
319143-065
EZP18
EK042
EK442
EX13J
EKN50
O-ring P18 NBR (Black)
O-ring P20 NBR (Black)
Silicon ring for Outdoor model
Exhaust port for Outdoor model
Silicon ring
Item #
Part #
Description
140 model T-H3M model
401 320273-556 EK467 Heat exchanger assembly
for 140 Inddor and Outdoor
402
403
404
405
406
319143-463
319143-018
319143-193
319143-197
319143-198
EK129
EKH23
EKK1U
EKK2B
EKK2C
Flow adjustment valve / Flow sensor
Condensate drain port
Water inlet
Inlet drain plug
Inlet water filter
407 319143-214 EKK4J Inlet thermistor
408 319143-529 EK207 Outlet thermistor
409
410
319143-466
319143-199
EK104
EKK2E
Water outlet
Outlet drain plug
411 319143-228 EM212 Hi-Limit switch
412
413
319143-067
320273-364
EX02A
EK468
Overheat-cut-off fuse
Pipe heater
414 320273-365
EK469
Inlet heater
415
416
320273-366
319143-468
EK470
EK105
Drain tube
Inlet heater
417 320273-553
320273-554
EK471
EK472
Secondary heat exchanger for Indoormodel
Secondary heat exchanger for Outdoor model
418
419
320273-367
N/A
EK473
EK474
Secondary heat exchanger heater
Heater fixing plate
450
451
452
N/A
319143-125
N/A
EK475
EK031
EK476
Pipe heater fixing plate
Heater fixing plate 16
Fuse fixing plate
453
454
455
456
457
319143-082
319143-080
319143-100
319143-091
319143-083
EZF04
EZF06
EZF14
EZF15
EZF16
O-ring P4 FKM
O-ring P6 FKM
O-ring P14 FKM
O-ring P15 FKM
O-ring P16 FKM
458
459
319143-105
319143-226
EKK24
EM192
Fastener “14-22”
Fastener “16A”
460
461
319143-205
319143-535
EKK39
EK217
Fastener “16-25A”
Flat heater
462 320273-555 EK477 Cold pipe for 140 model
463
464
320273-368
319143-106
EK478
EX13H
Header connection
Thermistor fixing plate
465
466
467
468
319143-111
319143-104
319143-542
319143-558
EX13L
EKH6G
EK229
EK479
Exhaust thermistor gasket
Hi-limit switch for exhaust
Gasket
Inlet pipe packing
701 320273-369 EK480 Computer board
702
703
704
319143-426
320273-128
319143-427
319143-546
EX148
EK280
EK146
EK143
Rubber grommet
Surge box
120 VAC wire for Indoor model
120 VAC wire for Outdoor model
705
706
707
319143-141
320273-376
319143-473
320273-379
EKK4V
EK481
EK138
EK482
120 VAC Power ON-OFF switch
Remote controller wire for Indoor model
Remote controller wire for Outdoor model
Gas valve wire
708
709
320273-380
320273-381
EK483
EK484
Flame rod wire
Igniter assembly
710 319143-185 EKJ59 Freeze protection thermostat
711
712
713
714
319143-481
N/A
319143-191
319143-500
EK112
EX004
EKK1M
EX13C
Proportional gas valve wire
Nylon clamp FC6
Computer board cover
Cable clamp for Indoor model
715
716
319143-131
319143-501
EKH6E
EK180
Exhaust thermistor for Indoor model
Exhaust Hi-limit switch wire
721
722
723
724
320273-684
N/A
319143-485
320273-512
EK487
EK490
TM-RE40
EK489
Temperature controller for Indoor model
Fixing plate
Temperature remote controller
Remote controller connection wire
Indoor model
Indoor model
Outdoor model
Outdoor model