Installation Instructions

50
Item # Descrip
462
Part #
463
464
465
EKK39
EX12K
EK217
EK218
466 EK220Cold pipe
467
468
469
470
Fastener “16-25A”
Fastener “6-15”
Flat heater
Drain tube
EK222
EK226
EK228
EK13H
471
472
473
Stainless heat exchanger out pipe
Header c
Drain port
Thermistor fixing plate
EK13L
EKH6G
EK229
701 EK176
702
703
704
Computer board
Exhaust thermistor gasket
Hi-limit switch for exhaust
Gasket
EX00B
EK280
EK146
706
707
708
Rubber grommet
Surge box
120 VAC wire
EKK4V
EK165
EK168
709
711
EK166
EK153
713
Flame rod wire
Igniter assembly
120 VAC Power ON-OFF switch
Remote controller wire
Gas valve wire
EK184
714
715
716
717
Switch wire with thermostat
EM167
EK179
EKK1M
EX13C
718
719
721
722
723
Pr gas valve wire
24V cables
Computer board cover
Cable clamp
EKH6E
EK152
EK180
EK173
EK178
724 ER014Temperature remote controller
Exhaust thermistor
Remote fixing plate
Exhau st Hi-limit switch wire
Temperature controller
Fixing plate
*When the set temperature is 130 °F (55 °C) or higher, maximum flow rate is limited to 8.0 GPM.
Output Hot Water GPM
Output Temperature vs. GPM (Max. 10.0 GPM) with Various Inlet Water Temperature