55
Page
Parts List
Owner's Guide
Item #
Descrip
tion
Part #
116
117
118
Pressure port
Combus
tion
chamber tube
Gas
inl
et
EKK2D
EX019
EK117
119
121
Gas
inl
et
ring
Surge box
pl
ate
EX00D
EK163
150
151
O-ring
P18 NBR
(Black)
O-ring
P20 NBR
(Black)
EZP18
EK042
401
Primary heat excha
n
ger
EK250
402
403
404
405
Fl
ow adjustme
n
t v
al
ve /
Fl
ow
sensor
Bypass v
al
ve
Water
inl
et
Inl
et dr
ain
plug
EK129
EKD58
EKK1U
EKK2B
407
Inl
et thermistor
EK137
408
Outl
et thermistor
EKK1A
409
410
411
Water
outl
et
Outl
et dr
ain
plug
Heat ex
chan
ger thermistor
EK208
EKK2E
EKK2T
412
Hi-Limit switch
EKN34
413
414
Overheat-cut-o
ff
fuse
Pipe heater
EK333
EK209
415
Inl
et heater
EK210
416
417
Dr
ain
tube
Inl
et heater
EK231
EK105
418
Sec
onda
ry heat ex
chan
ger
EK251
450
451
452
453
Pipe heater
fixin
g
pl
ate
Heater
fixing
pl
ate 16
Fuse
fixing
pl
ate 18
Fuse
fixing
pl
ate 14
EKK27
EK031
EKK26
EK029
454
455
456
457
O-ring
P4
FKM
O-ring
P6 FKM
O-ring
P14 FKM
O-ring
P15 FKM
EZM04
EZM06
EZM14
EZM15
458
459
460
461
O-ring
P16 FKM
Fast
ener
“4-11”
Fast
ener
“14-22”
Fast
ener
“16A”
EZM16
EKH30
EKK24
EM192