Cabinet Replacement Parts (Diagram 1) |
Item # |
Description |
Part # |
1 |
Bottom Wall Mount Bracket |
7850P-092 |
2 |
Cabinet Assembly |
|
|
- 150 Model |
7855P-626* |
|
- 199 Model |
7850P-263* |
3 |
Top Wall Mount Bracket |
7850P-068 |
4 |
Exhaust Duct Assembly |
7855P-002 |
4-1 |
Exhaust / Intact Duct Clamp |
7855P-332* |
4-2 |
Exhaust / Intake Gasket |
7850P-210 |
4-3 |
Exhaust Duct |
7855P-333* |
4-4 |
Exhaust Duct Inner Adapter |
7855P-004* |
4-5 |
Combination Analyzer Port Plug |
7855P-335 |
5 |
Air Intake Cap Assembly |
7855P-411* |
5-1 |
Air Intake Cap |
7855P-337* |
6 |
Air Pressure Sensor |
7855P-601 |
7 |
Air Pressure Sensor Bracket |
7850P-264* |
8 |
Display Panel |
7855P-600 |
9 |
Display Panel Bracket |
|
|
- 150 Model |
7855P-627* |
|
- 199 Model |
7850P-265* |
10 |
Manual Power Switch |
7855P-014* |
11 |
Condensate Block APS |
7855P-017 |
12 |
Display Panel Bracket |
|
|
- 150 Model |
7855P-628* |
|
- 199 Model |
7850P-220* |
13 |
Terminal Bracket |
7850P-266* |
14 |
Display Panel Cover Plastic Washers |
7850P-267* |
15 |
Front Cover |
|
|
- 150 Model |
7855P-629* |
|
- 199 Model |
7850P-272* |
16 |
Display Panel Cover |
7850P-023 |
17 |
Condensate Trap Assembly |
7855P-605 |
18 |
Control Board |
|
|
- 150 Model |
7855P-407* |
|
- 199 Model |
7855P-406* |
19 |
Control Board Bracket |
7850P-269* |
20 |
Ignition Transformer Bracket |
7850P-270* |
21 |
Ignition Transformer |
7850P-271 |
. |
|
|
Heat Exchanger Parts (Diagram 2) |
Item # |
Description |
Part # |
22 |
Exhaust Temperature Sensor Clip |
7855P-349 |
23 |
Exhaust Temperature Sensor |
7855P-092 |
24 |
Exhaust Pipe Assembly |
|
|
- 150 Model |
7855P-630* |
|
- 199 Model |
7850P-273* |
25 |
Exhaust Pipe Gasket |
|
|
- 150 Model |
7855P-351 |
|
- 199 Model |
7855P-418 |
26 |
Heat Exchanger Assembly |
|
|
- 150 Model |
7855P-631* |
|
- 199 Model |
7855P-602* |
27 |
Burner Body Assembly |
|
|
- 150 Model |
7855P-632* |
|
- 199 Model |
7855P-619 (no longer available) |
27-1 |
Burner Body Top Gasket |
7855P-426 |
27-2 |
Burner Body |
|
|
- 150 Model |
7855P-633* |
|
- 199 Model |
7855P-606* |
27-3 |
Burner Gasket |
|
|
- 150 Model |
7855P-634 |
|
- 199 Model |
7855P-419 |
27-4 |
Ceramic Fiber Burner |
|
|
- 150 Model |
7855P-635* |
|
- 199 Model |
7855P-420 (new # 7855P-438) |
27-5 |
Ignition Rod |
7855P-607 |
27-6 |
Ignitor Gasket |
7855P-252 |
27-7 |
Burner Overheat Switch |
7855P-066 |
27-8 |
Burner Body |
|
|
- 150 Model |
7855P-646 |
|
- 199 Model |
7855P-653* |
27-9 |
Burner Refractory |
|
|
- 150 Model |
7855P-636 |
|
- 199 Model |
7855P-612 (no longer available) |
28 |
Flame Sensor |
7855P-031 |
29 |
HX Water Thermistor |
7855P-614 |
30 |
Flame Sensor Cover |
7855P-031 |
31 |
Water Level Detection Sensor |
7855P-029 |
32 |
Recirculation Water Sensor |
7855P-615 |
33 |
Sight Glass Assembly |
7855P-401 |
. |
|
|
Combustion System Parts (Diagram 3) |
Item # |
Description |
Part # |
34 |
Burner Inlet Channel (with Damper) |
7855P-424 |
35 |
Air Damper |
|
|
- 150 Model |
7855P-637* |
|
- 199 Model |
7855P-618 |
36 |
Air Damper Guide |
7855P-369 |
37 |
Fan Outlet Gasket |
7855P-425 |
38 |
Fan |
7855P-025 |
39 |
Mixer Assembly |
N/A |
|
- 150 Model |
|
- 199 Model |
39-1 |
Air Gas Mixer (Outer Part) |
7855P-608* |
39-2 |
Air Gas Mixer (Inner Part) |
|
|
- 150 Model |
7855P-648* |
|
- 199 Model |
7855P-609* |
40 |
Air Intake Hose Top Clamp |
7855P-429 |
41 |
Air Intake Hose |
7855P-430 |
42 |
Barb Fitting 1 X 2 |
7855P-611* |
43 |
1/2 in. Gas Pipe Gasket |
7855P-221 |
44 |
Gas Pipe (to Mixer) |
|
|
- 150 Model |
7855P-638* |
|
- 199 Model |
7855P-650* |
45 |
Gas Orifice |
|
|
- NG (7.2 mm), 150 Model |
7855P-642* |
|
- LP (5.5 mm), 150 Model |
7855P-643* |
|
- NG (8.3 mm), 199 Model |
7855P-610 |
|
- LP (6.2 mm), 199 Model |
7855P-435 |
46 |
Gas Valve Assembly |
7855P-381 |
46-1 |
Gas Valve Outlet Adapter |
7855P-232 |
46-3 |
Gas Valve Bracket |
7855P-436* |
46-4 |
Gas Valve Inlet Adapter |
7855P-033 |
47 |
Gas Pipe (to Gas Valve) |
|
|
- 150 Model |
7855P-649* |
|
- 199 Model |
7855P-651* |
48 |
Gas Inlet Adapter 3/4 in. |
7855P-382 |
. |
|
|
Water Side Replacement Parts (Diagram 4) |
Item # |
Description |
Part # |
49 |
Heat Exchanger Temperature Sensor (OP) |
7850P-081 |
50 |
3/4 in. Pipe Gasket |
7855P-073 |
51 |
Overheat Switch (Heat Exchanger) |
7850P-051 |
52 |
Water Outlet Pipe |
|
|
- 150 Model |
7855P-652* |
|
- 199 Model |
7850P-276* |
53 |
1/2 in. Pipe Clip |
7855P-246 |
54 |
Mixing Valve |
7855P-043 |
55 |
DHW Temperature Sensor |
7855P-617 |
56 |
DWH Inlet Block Cap |
7855P-283 |
57 |
Filter Clips for DHW Block |
7855P-284 |
58 |
DWH Inlet Adapter |
7855P-203* |
59 |
DHW Inlet Filter Block |
7855P-279 |
60 |
DHW Flow Sensor |
7855P-083 |
61 |
Mixing Valve |
7855P-043 |
62 |
Mixing Block |
7855P-603 |
63 |
DHW Outlet Adapter |
7855P-225 |
64 |
DHW Temperature Sensor |
7855P-094 |
65 |
DHW Inner Block |
7855P-251 |
66 |
Recirculation Pipe |
|
|
- 150 Model |
7855P-644* |
|
- 199 Model |
7850P-277* |
67 |
Pump Block Hybrid |
7855P-616* |
68 |
Recirculation Block |
7855P-604 |
69 |
Pump Clip |
7850P-238* |
70 |
Flow Check |
7850P-279 |
71 |
Domestic Water Filter |
7855P-281 |
72 |
Recirculation Pump |
7850P-237 |
73 |
Water Leak Detection Sensor |
7855P-645 |
. |
|
|
Replacement Nuts & Bolts |
Item # |
Description |
Part # |
B-1 |
M3 X 6 PH + M/S |
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 + M/S |
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 |
. |
|
|
Replacement O-Rings and Clips |
Item # |
Description |
Part # |
O-1 |
Intake and Exhaust Adapter O-Ring |
7855P-256 |
O-2 |
Combustion Analyzer Port Plug O-Ting |
7855P-334* |
O-3 |
Exhaust Adapter O-Ring |
7855P-254 |
O-4 |
Exhaust Temperature Sensor O-Ring |
7855P-654* |
O-5 |
Fan O-Ring |
7855P-371 |
O-6 |
Air Gas Mixer Gasket |
7855P-428* |
O-7 |
Gas Valve O-Ring |
7855P-076 |
O-8 |
P18 O-Ring |
7855P-047 |
O-9 |
P15 O-Ring |
7855P-044 |
O-10 |
P20 O-Ring |
7855P-282 |
O-11 |
P16 O-Ring |
7855P-075 |
. |
|
|