Replacement Parts List

E. Components diagram / Parts list
Case assembly
Item #
Part #
Description
540 models T-H3 models
001 N/A
N/A
EK159
EK164
Case assembly for Indoor models
Case assembly for Outdoor models
002 319143-507
319143-508
EK158
EK174
Front cover for Indoor models
Front cover for Outdoor models
003
004
005
006
007
319143-509
N/A
319143-510
319143-511
319143-512
EK170
EK162
EK190
EK171
EK161
Intake air port assembly
Bracket
Junction box
Power supply cord assembly
Back guard panel
008
009
319143-513
319143-018
EK160
EKH23
Chamber fixing plate
Condensate drain port
050
051
052
053
054
319143-025
319143-325
319143-026
319143-060
319143-326
EW000
EW001
EW002
EW003
EW004
Screw M4×12 (W/Washer)
Screw M4×10 (W/Washer)
Screw M4×10 (Coated)
Screw M4x10
Hex head screw M4×12 (W/Washer)
055
056
057
058
059
319143-063
N/A
319143-201
319143-087
319143-328
EW005
EW018
EKK31
EW00A
EW009
Hex head screw M4x8
Pan screw M4x20
Tap tight screw M4x12 FEZN
Screw M3x6
Screw M4x6
060
061
062
063
064
065
319143-438
N/A
319143-059
319143-048
N/A
319143-330
EKK37
EK191
EW00D
EM167
EK230
EW00B
Screw M4x12
Screw M3x6
Pan screw M4x8
Wire clamp 60
Screw M4x10
Screw M3x6 SUS3
Item #
Part #
Description
540 models T-H3 models
101
102
319143-514
319143-515
319143-516
EK192
EK181
EK182
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 models
Fan motor for Outdoor models
104
105
106
107
108
319143-031
319143-282
319143-033
319143-034
319143-517
EKK2X
EM381
EKK2V
EKK2W
EK193
Burner gasket
Fan damper for Indoor models
Burner window
Rod holder gasket
Flame rod
109
110
111
112
319143-037
319143-036
319143-038
319143-518
319143-519
EKK0F
EKK32
EKN61
EK183
EK169
Igniter rod
Rod holder
Rod cap
Burner damper LP
Burner damper NA
113
114
115
116
117
319143-044
319143-045
319143-032
319143-042
319143-520
EKK2Y
EKK2K
EKK0G
EKK2D
EX019
Manifold gasket A
Manifold gasket B
Burner holder gasket
Pressure port
Combustion chamber tube
118
119
121
319143-455
319143-342
319143-522
EK117
EX00D
EK163
Gas inlet
Gas inlet ring
Surge box plate
150
151
152
153
319143-350
319143-057
319143-523
319143-524
EZP18
EK042
EK157
EK177
O-ring P18 NBR (Black)
O-ring P20 NBR (Black)
Silicon ring for Outdoor models
Exhaust port for Outdoor models
401
402
403
404
319143-548
319143-463
319143-464
319143-193
EK250
EK129
EKD58
EKK1U
Primary heat exchanger assembly
Flow adjustment valve / Flow sensor
Bypass valve
Water inlet
Temperature remote controller
724
Water intlet secon
402
460
456
461
458
404
417
407
454
405
457
406
D
052
059
Water outlet secon
410
455
408
458
454
462
C
052
409
417
Item #
Part #
Description
540 models T-H3 models
405
406
407
408
409
410
319143-197
319143-198
319143-465
319143-190
319143-530
319143-199
EKK2B
EKK2C
EK137
EKK1A
EK208
EKK2E
Inlet drain plug
Inlet water filter
Inlet thermistor
Outlet thermistor
Water outlet
Outlet drain plug
411
412
413
414
415
319143-096
319143-095
319143-149
319143-531
319143-532
319143-533
EKK2T
EKN34
EK333
EK209
EK210
EK211
Heat exchanger thermistor
Hi-Limit switch
Overheat-cut-off fuse
Pipe heater
Inlet heater for Indoor models
Inlet heater for Outdoor models
416
417
418
319143-534
319143-468
319143-549
319143-550
EK231
EK105
EK251
EK256
Drain tube
Inlet heater
Secondary heat exchanger for Indoor models
Secondary heat exchanger for Outdoor models
450
451
452
453
454
319143-088
319143-125
319143-066
319143-146
319143-082
EKK27
EK031
EKK26
EK029
EZM04
Pipe heater fixing plate
Heater fixing plate 16
Fuse fixing plate 18
Fuse fixing plate 14
O-ring P4 FKM
455
456
457
458
459
319143-080
319143-100
319143-091
319143-083
319143-097
EZM06
EZM14
EZM15
EZM16
EKH30
O-ring P6 FKM
O-ring P14 FKM
O-ring P15 FKM
O-ring P16 FKM
Fastener “4-11”
460
461
462
463
464
319143-105
319143-226
319143-205
319143-112
319143-535
EKK24
EM192
EKK39
EX12K
EK217
Fastener “14-22”
Fastener “16A”
Fastener “16-25A”
Fastener “6-15”
Flat heater
465
466
467
468
469
319143-536
319143-538
319143-539
319143-540
319143-541
EK218
EK220
EK222
EK226
EK228
Drain pipe
Cold pipe
Stainless heat exchanger out pipe
Header connection
Drain port
470
471
472
473
319143-106
319143-111
319143-104
319143-542
EX13H
EX13L
EKH6G
EK229
Thermistor fixing plate
Exhaust thermistor gasket
Hi-limit switch for exhaust
Gasket
701
702
703
704
319143-545
319143-334
320273-128
319143-427
319143-546
EK176
EX00B
EK280
EK146
EK143
Computer board
Rubber grommet
Surge box
120 VAC wire for Indoor models
120 VAC wire for Outdoor models
706
707
708
709
319143-141
319143-491
319143-492
319143-493
EKK4V
EK165
EK168
EK166
120 VAC Power ON-OFF switch
Remote controller wire
Gas valve wire
Flame rod wire
711
713
714
715
319143-479
319143-496
319143-497
319143-498
319143-499
EK153
EK184
EK185
EK167
EK179
Igniter assembly
Switch wire with thermostat for Indoor models
Switch wire with thermostat for Outdoor models
Proportional gas valve wire
24V cables
716
717
718
719
319143-191
319143-500
319143-131
319143-484
EKK1M
EX13C
EKH6E
EK152
Computer board cover
Cable clamp for Indoor models
Exhaust thermistor for Indoor models
Remote fixing plate
721
722
723
319143-501
319143-502
319143-503
EK180
EK173
EK178
Exhaust Hi-limit switch wire
Temperature controller for Indoor models
Fixing plate
724 319143-485 ER014 Temperature remote controller
Outdoor modelsIndoor models
052
052
003
007
002
050
006
704
005
052
702
704
008
052
050
052
717
702
713
004
002
001
001
004
Burner assembly
Water way assembly
101
104
115
106
107
108
110
109
111
711
112
062
053
053
709
053
401
103
105
065
054
113
114
102
708
119
151
118
055
051
150
057
055
063
117
053
116
062
121
714
719
707
117
711
Burner assembly
Manifold
assembly
Computer board assembly
701
714
403
715
721
707
722
715
402
402
103
713
708
711
709
716
D
A
E
459
454
411
412
058
F
413
452
450
414
451
414
418
416
009
C
453
468
468
052
455
463
455
469
052
463
462
467
064
462
462
473
466
451
465
418
414
464
415
471
064
472
153
152
053
718
470
415
401
B
E
F
473
451
403
456
460
458
462
B
A
Bypass section
056
723
722
Temperature contoller
Indoor models
Surge box
703
706
063
709
053
703
121
713