Install Instructions

PartsList
49│Page
Item# Description
Part#
520and320
models
T‐H2andT‐
H2Smodels
442
443
444
445
446
Hi‐limitswitchforexhaust
Fastener“14‐22”
Thermistorfixingplate
Secondaryheatexchangerplate
Secondaryheatexchanger
319143‐104
319143‐105
319143‐106
319143‐107
319143‐108
EKH6G
EKK24
EX13H
EKH5N
EKH6X
447
448
449
450
451
Drainpipe
Secondaryheatexchangerinletpipe
Exhaustthermistorgasket
Fastener“6‐15”
BandB
319143‐109
319143‐110
319143‐111
319143‐112
319143‐113
EKH66
EKH78
EX13L
EX12K
EKH1Y
452
453
454
455
456
Header
Flatheater
3arrayhe ater
O‐ringP12FKM
HeatexchangerassemblyforOutdoormodels
319143‐114
319143‐115
319143‐116
319143‐117
319143‐118
EX13B
EX13P
EX13R
EZM12
EKH63
457
458
459
460
461
O‐ringP3EPDM
Secondaryheatexchangerdrainplug
Exhaustport
Exhaustchamberassembly
Secondaryheatexchangerplate
319143‐119
319143‐120
319143‐121
319143‐122
319143‐123
EZM03
EX13A
EX13J
EKH65
EKH62
462
463
Heaterfixingplate20
Heaterfixingplate16
319143‐124
319143‐125
EKH38
EK031
701

702
703
704
705
Computerboardfor520(T‐H2)models
for320(T‐H2S)models
Transformer
Junctionboxinnerplate
FreezeprotectionandEH‐IGwireforDirectVentIndoormodels
Gasvalvewire
319143‐126
319143‐196
319143‐127
319143‐128
319143‐129
319143‐130
EKH4E
EKH7W
EM296
EKJ66
EKH79
EKH6V
706
707
708
709
710
Exhaustthermistorassembly
Thermistorswire
Proportionalgasvalvewire
Multi‐cable(Only520(T‐H2)models)
Flamerodwire
319143‐131
319143‐132
319143‐133
319143‐134
319143‐135
EKH6E
EKH6J
EKK12
EKH6F
EKH69
711
712
713
714
715
Switchwire
PCBfixingplate
AC120Vwire
AC120VTransformerconne ctingwire
Surge box
319143‐136
319143‐137
319143‐138
319143‐139
319143‐140
EKH6D
EKH71
EKK3C
EKH6C
EKH67
716
717
718
719
720
AC120VpowerON‐OFFswitch
PCBcover
Nylonclamp
FreezeprotectionandEH‐IGwireforOutdoormodels
Exhaustfanmotorwire
319143‐141
319143‐142
319143‐143
319143‐144
319143‐145
EKK4V
EKH68
EC00X
EKH7A
EKH6A
721 Exhaustthermistorwire 319143‐415 EKH6B