Cabinet Replacement Parts (Diagram 1) |
Item # |
Description |
Part # |
15 |
Exhaust Duct (Assembly) |
7855P-002 |
15-1 |
Exhaust / Intake Duct Clamps |
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 |
7855P-254 |
16 |
Air Intake Assembly |
7855P-411* |
16-1 |
Air Intake Cap |
7855P-337* |
17 |
Air Vent |
7855P-063 |
18 |
Air Vent Grommet |
7855P-339* |
19 |
PRV Ring |
7855P-269* |
19-1 |
PRV Rubber Pad |
7855P-339* |
20 |
Air Pressure Switch |
7855P-262 |
21 |
Control Panel Bracket |
7855P-412* |
22 |
Display Panel |
7855P-012 (new # 7865P-032) |
23 |
Display Panel Bracket |
7855P-413* |
24 |
Ignition Transformer |
7855P-007 |
25 |
Universal Control Board FT |
7855P-268 |
26 |
Terminal Block Bracket |
7855P-271* |
27 |
Manual Power Switch |
7855P-014* |
28 |
Terminal Block 6P - Combi |
7855P-272* |
29 |
Condensate Block APS |
7855P-017 |
30 |
Front Cover |
7855P-289* |
31 |
Display Panel Cover |
7855P-023* |
32 |
Exhaust Adapter Gasket |
7850P-041 |
33 |
Top Wall Mount Bracket |
7850P-068 |
34 |
Cabinet |
7855P-274* |
35 |
Bottom Wall Mount Bracket |
7855P-092 |
36 |
Wire Gland |
7855P-348* |
37 |
CH Pressure Gauge |
7855P-135 |
. |
|
|
Water Piping Replacement Parts (Diagram 2) |
Item # |
Description |
Part # |
38 |
DHW Outlet Pipe |
7855P-275* |
38-1 |
3/4 in. Pipe Gasket |
7855P-073 |
38-2 |
P-18 O-Ring |
7855P-047 |
38-3 |
1/2 in. Pipe Clip |
7855P-246 |
39 |
DHW Inner Block |
7855P-251 |
39-1 |
P22A O-Ring |
7855P-276* |
39-2 |
Pipe Adapter Clip |
7855P-277* |
40 |
DHW Outlet Adapter |
7855P-225 |
41 |
DHW Temperature Sensor |
7855P-094 |
42 |
DHW Inlet Pipe |
7855P-241* |
43 |
DHW Flow Sensor |
7855P-083 |
44 |
Mixing Valve |
7855P-043 |
44-1 |
Flow Sensor Clip |
7855P-278 |
44-2 |
P15 O-Ring |
7855P-044 |
45 |
DHW Outer Block |
7855P-259 |
46 |
DHW Inlet Filter Block |
7855P-279 |
47 |
Flow Restrictor |
7855P-280* |
48 |
DHW Inlet Filter |
7855P-281 |
48-1 |
P20 O-Ring |
7855P-282 |
49 |
DWH Inlet Block Cap |
7855P-283 |
50 |
DHW Inlet Adapter |
7855P-203* |
51 |
CH Block Cap |
7855P-283 |
52 |
CH Return Block With Filter |
7855P-248 |
52-2 |
P22 O-Ring |
7855P-276* |
53 |
CH Return Block with Filter Clips |
7855P-284 |
54 |
Pressure Gauge Clip |
7855P-285* |
55 |
CH Return Adapter |
7855P-227* |
56 |
Filter for CH Return Block |
7855P-265 |
57 |
CH Filter Clip |
7855P-286* |
58 |
CH Return Pipe |
7855P-287* |
58-1 |
3/4 in. Pipe Gasket |
7855P-073 |
59 |
CH Return Temperature Sensor |
7855P-097 |
60 |
3 Way Valve Assembly |
7855P-247 |
60-1 |
P25 O-Ring |
7855P-288 |
60-2 |
Pump Clip |
7855P-263* |
61 |
CH Supply Lower Pipe |
7855P-290* |
61-1 |
3/4 in. Pipe Gasket |
7855P-073 |
62 |
Internal Grundfos Pump / DHW Storage Pump |
7855P-456 |
. |
|
|
Heat Exchanger Replacement Parts (Diagram 3) |
Item # |
Description |
Part # |
63 |
Exhaust Temperature Sensor O-Ring |
7855P-092 |
63-1 |
Exhaust Temperature Sensor |
7855P-092 |
64 |
Exhaust Temperature Sensor Clip |
7855P-349 |
65 |
Exhaust Pipe Assembly |
7855P-415 |
66 |
Exhaust Pipe Gasket |
7855P-418 |
67 |
Storage Tank Clamp |
7855P-291* |
68 |
Storage Tank Bracket |
7855P-292* |
69 |
CH Supply Pipe |
7855P-293* |
69-1 |
3/4 in. CH Supply Pipe Gasket |
7855P-073 |
69-2 |
1 in. CH Supply Pipe Gasket |
7855P-074 |
70 |
Storage Tank |
7855P-294* |
71 |
CH Supply Temperature Sensor |
7855P-030 |
72 |
Water Level Detection Sensor (Low Water Cutoff) |
7855P-029 |
73 |
Flame Sensor Bracket |
7855P-356 |
74 |
Flame Sensor |
7855P-031 |
75 |
Flame Sensor Cover |
7855P-357 |
76 |
Heat Exchanger Assembly |
7855P-416 |
76-1 |
Burner Body Assembly |
7855P-417 (no longer available) |
76-2 |
Burner Body |
7855P-606* |
76-3 |
Burner Gasket |
7855P-419 |
76-4 |
Ceramic Fiber Burner |
7855P-420 (new # 7855P-438) |
76-5 |
Ignition Rod |
7855P-607 |
76-6 |
Ignitor Gasket |
7855P-252 |
76-7 |
Burner Overheat Switch |
7855P-066 |
76-8 |
Heat Exchanger Top |
7855P-619 (no longer available) |
76-9 |
Burner Refractory |
7855P-612 (no longer available) |
77 |
Condensate Trap Assembly |
7855P-605 |
77-1 |
Condensate Trap O-Ring (P22A) |
7855P-276 |
94 |
Sight Glass Assembly |
7855P-401 |
. |
|
|
Combustion Chamber Replacement Parts (Diagram 4) |
Item # |
Description |
Part # |
78 |
Burner Inlet Chanel (with Damper) |
7855P-424 |
79 |
Air Damper |
7855P-618 |
80 |
Air Damper Guide |
7855P-369 |
81 |
Fan Outlet Gasket |
7855P-425 |
82 |
Burner Inlet Chanel Gasket |
7855P-426 |
83 |
Fan and Mixer Assembly |
7855P-427 |
83-1 |
Fan |
7855P-025 |
83-2 |
Fan O-Ring |
7855P-371 |
83-3 |
Air-Gas Mixer (Inner Part) |
7855P-609* |
83-4 |
Air-Gas Mixer Gasket |
7855P-428* |
83-5 |
Air-Gas Mixer (Outer Part) |
7855P-608* |
84 |
Air Intake Hose Top Clamp |
7855P-429 |
85 |
Air Intake Hose |
7855P-430 |
86 |
Air Intake Hose Bottom Clamp |
7855P-429 |
87 |
APS Hose Fitting |
7855P-375* |
88 |
Gas Valve Assembly |
7855P-431 |
88-1 |
Gas Valve Outlet Adapter |
7855P-232 |
88-2 |
Gas Valve O-Ring |
7855P-076 |
88-3 |
Gas Valve |
7855P-034 |
88-4 |
Gas Valve Bracket |
7855P-436* |
89 |
1/2 in. Gas Pipe Gasket |
7855P-221 |
90 |
Gas Orifice |
|
|
- Natural Gas 8.3 mm |
7855P-610 |
|
- Propane (LP) 6.3 mm |
7855P-435 |
91 |
Gas Pipe (to Mixer) |
7855P-432* |
92 |
Gas Pipe (to Gas Valve) |
7855P-295* |
93 |
Gas Inlet Adapter 3/4 in. |
7855P-382 |
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 |
. |