Cabinet Replacement Parts (Diagram 1) |
Item # |
Description |
Part # |
15 |
Exhaust Duct (Assembly) |
7855P-002 |
15-1 |
Exhaust / Intake Duct Clamps (100) |
7855P-332* |
15-2 |
Exhaust / Intake Gasket |
7855P-210* |
15-3 |
Exhaust Duct |
7855P-333* |
15-4 |
Combustion Analyzer Port Plug O-Ring |
7855P-334* |
15-5 |
Combustion Analyzer Port Plug |
7855P-335 |
15-6 |
Intake / Exhaust Adapter O-Ring (85) |
7855P-256 |
15-7 |
Exhaust Duct Inner Adapter |
7855P-004* |
15-8 |
Exhaust Adapter O-Ring (75) |
7855P-254 |
16 |
Air Intake Cap (Assembly) |
7855P-003 |
16-1 |
Air Intake Cap |
7855P-337* |
16-2 |
Air Intake Inner Adapter |
7855P-338* |
17 |
Air Vent Grommet |
7855P-339* |
18 |
Universal Control Board FT |
7855P-217 |
19 |
Control Panel Bracket |
7855P-219* |
20 |
Air Pressure Switch |
7855P-262 |
21 |
Ignition Transformer |
7855P-007 |
22 |
Control Panel Bracket |
7855P-219* |
23 |
Power Switch Bracket |
7855P-220* |
24 |
Display Panel |
7855P-012 (new # 7865P-032) |
25 |
Manual Power Switch |
7855P-014* |
26 |
Terminal Block |
7855P-015* |
27 |
Condensate Block APS |
7855P-017 |
28 |
Front Cover |
7855P-218 |
29 |
Display Panel Cover |
7855P-023* |
30 |
CH Pressure Gauge |
7855P-135 |
31 |
Wire Gland |
7855P-348* |
32 |
Condensate Trap Cup |
7855P-331 |
33 |
Top Wall Mount Bracket |
7855P-068 |
34 |
Cabinet |
7855P-226* |
35 |
Bottom Wall Mount Bracket |
7855P-092 |
. |
|
|
Water Piping Replacement Parts (Diagram 2) |
Item # |
Description |
Part # |
36 |
DHW Outlet Pipe |
7855P-242* |
36-1 |
1/2 in. Pipe Gasket |
7855P-072 |
36-2 |
O-Ring |
7855P-044 |
36-3 |
Clip (DHW Inlet) |
7855P-246 |
37 |
DHW Inner Block |
7855P-251 |
37-1 |
O-Ring P22A |
7855P-262 |
37-2 |
Pipe Adapter Clip |
7855P-278 |
38 |
DHW Outlet Adapter |
7855P-225 |
39 |
DHW Temperature Sensor |
7855P-094 |
40 |
DHW Inlet Pipe |
7855P-241* |
41 |
DHW Flow Sensor |
7855P-083 |
42 |
Mixing Valve |
7855P-043 |
42-1 |
P15 O-Ring |
7855P-044 |
42-2 |
P16 O-Ring |
7855P-075 |
43 |
DHW Outler Block |
7855P-259 |
44 |
DHW Inlet Filter Block |
7855P-257 |
45 |
Flow Restrictor (15L) |
7855P-261* |
46 |
DHW Inlet Filter |
7855P-281 |
46-1 |
P20 O-Ring |
7855P-282 |
47 |
DHW Inlet Block Cap |
7855P-283 |
48 |
DHW Inlet Adapter |
7855P-203* |
49 |
DWH Inlet Block Cap |
7855P-283 |
50 |
CH Return Block With Filter |
7855P-248 |
50-1 |
P22 O-Ring |
7855P-276 |
51 |
CH Return Block with Filter Clips |
7855P-284 |
52 |
CH Return Adapter |
7855P-227* |
53 |
Filter for CH Return Block |
7855P-265 |
54 |
CH Filter Clip |
7855P-286* |
55 |
CH Return Pipe |
7855P-243* |
55-1 |
3/4 in. Pipe Gasket |
7855P-073 |
56 |
CH Return Temperature Sensor |
7855P-097 |
57 |
3 Way Valve Assembly |
7855P-247 |
57-1 |
P22A O-Ring |
7855P-262 |
57-2 |
Pump Clip |
7855P-263* |
58 |
CH Supply Lower Pipe |
7855P-244* |
58-1 |
3/4 in. Pipe Gasket |
7855P-073 |
58-2 |
1 in. Pipe Gasket |
7855P-074 |
59 |
Internal Pump |
7855P-245 |
. |
|
|
Heat Exchanger Replacement Parts (Diagram 3) |
Item # |
Description |
Part # |
60 |
Exhaust Pipe |
7855P-237 |
61 |
Storage Tank Clip |
7855P-297* |
62 |
Exhaust Temperature Sensor Clip |
7855P-349 |
62-1 |
Exhaust Temperature Sensor O-Ring |
7855P-092 |
63 |
Exhaust Temperature Sensor |
7855P-092 |
64 |
Heat Exchanger Assembly |
7855P-353 |
64-1 |
Burner Body Assembly |
7855P-354 (no longer available) |
64-2 |
Burner Overheat Switch |
7855P-066 |
64-3 |
Burner Body |
7855P-067* |
64-4 |
Burner Gasket |
7855P-266 (no longer available) |
64-5 |
Ceramic Fiber Burner |
7855P-069 (new number 7855P-474) |
64-6 |
Burner Plate O-Ring |
7855P-249 |
64-7 |
Ignition Rod |
7855P-068 |
64-8 |
Ignitor Gasket |
7855P-252 |
64-9 |
Heat Exchanger Top |
7855P-355* |
64-10 |
Burner Refractory |
7855P-253 (no longer available)
Now use 7855P-353 |
65 |
Exhaust Pipe Gasket |
7855P-351 |
66 |
Storage Tank Bracket |
7855P-298* |
67 |
Air Vent |
7855P-063 |
68 |
CH Supply Upper Pipe |
7855P-239* |
68-1 |
3/4 in. CH Supply Pipe Gasket |
7855P-073 |
68-2 |
1 in. CH Supply Pipe Gasket |
7855P-074 |
69 |
Internal DWH Storage Tank |
7855P-240 |
70 |
CH Supply Temperature Sensor |
7855P-030 |
71 |
Water Level Detection Sensor (Low Water Cutoff) |
7855P-029 |
72 |
Flame Sensor Bracket |
7855P-356 |
73 |
Flame Sensor |
7855P-031 |
74 |
Condensate Trap Assembly |
7855P-053 |
74-1 |
Burner Body Assembly |
7855P-354 (no longer available) |
75 |
Condensate Trap Drain Hose |
7855P-255 |
76 |
Condensate Trap Clamp (23) |
7855P-366* |
77 |
Condensate Outlet Adapter |
7855P-224 |
90 |
Sigh Glass Assembly |
7855P-401 |
. |
|
|
Combustion Chamber Replacement Parts (Diagram 4) |
Item # |
Description |
Part # |
78 |
Burner Inlet Chanel |
7855P-231* |
79 |
Burner Inlet Chanel Gasket |
7855P-370 |
80 |
Fan Outlet Mesh |
7855P-299* |
81 |
Air Intake Hose Top Clamp (60) |
7855P-372* |
82 |
Air Intake Hose |
7855P-071* |
83 |
APS Hose Fitting |
7855P-375* |
84 |
Fan Assembly |
7855P-457* |
84-1 |
Fan |
7855P-025 |
84-2 |
Air Intake Chanel Orifice |
7855P-458* |
84-3 |
Air Gas Mixer |
7855P-027* |
84-4 |
Fan O-Ring |
7855P-371 |
85 |
Gas Outlet Pipe |
7855P-233* |
86 |
Gas Orifice |
|
|
- Natural Gas - 6.5 mm |
7855P-228 |
|
- Propane - 4.85 mm |
7855P-229* |
87 |
Gas Valve Assembly |
7855P-381 |
87-1 |
Gas Valve Outlet Adapter |
7855P-232 |
87-2 |
Gas Valve O-Ring |
7855P-076 |
87-3 |
Gas Valve |
7855P-034 |
87-4 |
Gas Valve Inlet Adapter |
7855P-033 |
87-5 |
Gas Valve Bracket |
7855P-234 |
88 |
Gas Inlet Pipe |
7855P-235* |
89 |
Gas Inlet Adapter 1/2 in. |
7855P-223* |
90 |
1/2 in. Gas Pipe Gasket |
7855P-221 |
. |
|
|
Nuts and Bolts (Not Shown) |
Item # |
Description |
Part # |
B-1 |
M3 X 6 PH + MS |
7855P-384 |
B-2 |
M4 X 8 PH + Self Taping |
7855P-385 (purchase from local hardware store) |
B-3 |
M4 X 8 TH + Self Taping |
7855P-386 (purchase from local hardware store) |
B-4 |
M4 X 8 TH + MS |
7855P-387 |
B-5 |
M4 X 10 FH + M/S |
7855P-388 (purchase from local hardware store) |
B-6 |
M4 X 10 TH + Self Taping |
7855P-389 (purchase from local hardware store) |
B-7 |
M4 X 10 TH + M/S |
7855P-390 |
B-8 |
M4 X 10 Flat Head |
7855P-391 (purchase from local hardware store) |
B-9 |
M4 X 12 PH + M/S |
7855P-392 (purchase from local hardware store) |
B-10 |
M4 X 12 TH + M/S |
7855P-393 (purchase from local hardware store) |
B-11 |
M4 X 14 PH + Self Taping |
7855P-394 |
B-12 |
M4 X 15 PW + M/S |
7855P-395 (purchase from local hardware store) |
B-13 |
M4 X 20 TH + Self Taping |
7855P-396 (purchase from local hardware store) |
B-14 |
M5 X 14 Flange Bolts M/S |
7855P-397 (purchase from local hardware store) |
B-15 |
M5 X 10 TH+ M/S |
7855P-453 (purchase from local hardware store) |
B-16 |
M4 X 9 PH.PW + Self Taping |
7855P-296 (purchase from local hardware store) |
N-1 |
M4 Nut |
7855P-398 |
N-2 |
M5 Nut |
7855P-399 |
. |