
lp-673 Rev. 000 Rel. 001 Date 8.30.18
55
Figure 53 - Heat Exchanger Replacement Parts
NUMBER
DESCRIPTION
PART NUMBER NUMBER
DESCRIPTION
PART NUMBER
30
Exhaust Pipe Assembly
7855P-415
33
HX Dual (OP/OH) Temperature Sensor
7855P-030
30-1
Exhaust Temperature Sensor Clip
7855P-349
34
Water Level Detection Sensor
7855P-029
30-2
Exhaust Temperature Sensor
7855P-092
35
Flame Sensor
7855P-031
30-3
Exhaust Temperature Sensor O-Ring
36
Flame Sensor Bracket
7855P-356
31
Exhaust Pipe Gasket
7855P-418
36-1
Flame Sensor Cover
7855P-357
32
Heat Exchanger Assembly
7860P-011
37
Outlet Pipe
7860P-012
32-1
Burner Body Assembly
7855P-417
37-1
Outlet Pipe Gasket
7855P-074
32-2
Burner Overheat Switch
7855P-066
38
Inlet Pipe
7855P-422
32-3
Burner Body
7855P-606
38-1
Inlet Pipe Gasket
7855P-074
32-4
Burner Gasket
7855P-419
39
DHW Inlet Sensor (Rt)
7855P-097
32-5
Ceramic Fiber Burner
7855P-420
39-1
Inlet Sensor Gasket
7855P-364
32-6
Ignition Rod
7855P-607
40
Condensate Trap
7855P-605
32-7
Igniter Gasket
7855P-252
41
Sight Glass Assembly
7855P-401
32-8
Heat Exchanger Top
7855P-619
42
Outlet Temperature Sensor (St)
7855P-137
32-9
Burner Refractory
7855P-612
Not
Shown
Heat Exchanger Gasket
7855P-461
Table 40 - Heat Exchanger Replacement Parts