Cabinet Replacement Parts (Diagram 1) |
Item # |
Description |
Part # |
12 |
Exhaust Duct (Assembly) |
7855P-002 |
12-1 |
Exhaust / Intake Duct Clamp (100) |
7855P-332* |
12-2 |
Exhaust / Intake Gasket |
7850P-210 |
12-3 |
Exhaust Duct |
7855P-333* |
12-4 |
Combustion Analyzer Port O-Ring |
7855P-334* |
12-5 |
Combustion Analyzer Port Plug |
7855P-335 |
12-6 |
Intake & Exhaust Adapter O-Ring (85) |
7850P-256* |
12-7 |
Exhaust Duct Inner Adapter |
7855P-004* |
12-8 |
Exhaust Adapter O-Ring (75) |
7855P-254 |
13 |
Air Intake Cap (Assembly) |
7855P-003 |
13-1 |
Air Intake Cap |
7855P-337* |
13-2 |
Air Intake Inner Adapter |
7855P-338* |
14 |
Access Panel |
7855P-005* |
15 |
Flue APS |
7855P-133* |
16 |
Control Board Bracket |
7855P-009* |
17 |
Control Board |
7855P-008 |
18 |
Terminal Block Combi 6P |
7855P-272* |
19 |
Terminal Block Bracket |
7855P-016* |
20 |
Manual Power Switch |
7855P-014* |
21 |
Emblem (Top) |
7855P-126* |
22 |
Display Panel |
7855P-012 (new # 7865P-032) |
23 |
Boiler Heat Exchanger Bracket |
7855P-010* |
24 |
Condensate Block APS |
7855P-134* |
25 |
Front Cover |
7855P-011* |
26 |
Front Cover Screw M6 X 26 Thumb Screw |
7855P-127 |
27 |
Display Panel Cover |
7850P-023 |
28 |
DHW Pressure Gauge (0 - 150 PSI) |
7855P-080 |
29 |
CH Pressure Gauge (0 - 60 PSI) |
7855P-013* |
30 |
Front Access Panel |
7855P-128* |
31 |
Cabinet |
7855P-024* |
32 |
Gas Inlet Adapter |
7855P-223* |
33 |
Wire Gland |
7855P-348* |
34 |
CH Supply Adapter |
7855P-023* |
35 |
CH Return Temperature Sensor |
7855P-097 |
36 |
CH Return Adapter |
7855P-022* |
37 |
DHW Outer Adapter |
7855P-021* |
38 |
DHW Inlet Adapter |
7855P-020* |
39 |
Condensate Adapter |
7855P-019* |
40 |
Drain Adapter |
7855P-018* |
41 |
DHW Temperature Sensor |
7855P-094 |
. |
|
|
DHW Side Replacement Parts (Diagram 2) |
Item # |
Description |
Part # |
41 |
DHW Tank Assembly |
7855P-059* |
42 |
DHW Tank Bracket |
7855P-112* |
43 |
DHW Tank Clamp |
7855P-113* |
44 |
Storage Temperature Sensor |
7855P-057 |
45 |
Water Storage Tank Bracket |
7855P-058* |
46 |
DHW Tank Cover B/K |
7855P-129* |
47 |
Storage Tank Outlet Pipe |
7855P-082* |
48 |
DHW Outlet Pipe |
7855P-041* |
49 |
Mixing Valve |
7855P-043 |
50 |
DHW Inlet Pipe |
7855P-046* |
51 |
DHW Flow Sensor |
7855P-083 |
52 |
Drain Pipe Connector 1 |
7855P-048* |
53 |
Drain Valve |
7855P-049* |
54 |
Drain Pipe Connector 2 |
7855P-050* |
. |
|
|
Heat Exchanger Replacement Parts (Diagram 3) |
Item # |
Description |
Part # |
55 |
Exhaust Temperature Sensor |
7855P-092 |
56 |
Exhaust Temperature Sensor Clip |
7855P-349 |
57 |
Exhaust Pipe |
7855P-006 |
58 |
Exhaust Pipe Gasket |
7855P-351 |
59 |
H/X Assembly |
7855P-064 |
59-1 |
Burner Assembly |
7855P-065* |
59-2 |
Burner Overheat Switch |
7855P-066 |
59-3 |
Burner Body |
7855P-606* |
59-4 |
Burner Gasket |
7855P-266 (no longer available) |
59-5 |
Ceramic Fiber Burner |
7855P-069 (new number 7855P-474) |
59-6 |
Burner Plate O-Ring |
7855P-249 |
59-9 |
Heat Exchanger Top |
7855P-355* |
60 |
Flame Sensor Bracket |
7855P-356 |
61 |
Flame Sensor Cover |
7855P-357 |
59-7 |
Ignition Rod |
7855P-068 |
59-8 |
Ignitor Gasket |
7855P-252 |
59-10 |
Burner Refractory |
7855P-253 (no longer available)
Now use 7855P-353 |
62 |
Flame Sensor |
7855P-031 |
63 |
CH Supply Temperature Sensor |
7855P-030 |
64 |
Water Level Detection Sensor (Low Water Cutoff) |
7855P-029 |
65 |
Internal CH Upper Water Piping |
7855P-036* |
66 |
Internal Primary CH/DHW Pump |
7855P-081 |
67 |
Internal CH Lower Water Piping |
7855P-037* |
68 |
CH Return Pipe |
7855P-038* |
69 |
Storage Tank Outlet Pipe |
7855P-039* |
70 |
Storage Tank Lower Inlet Pipe |
7855P-040* |
71 |
Condensate Collector Pan Clamp (34P) |
7855P-054 |
72 |
Condensate Hose EPDM |
7855P-055* |
73 |
Clamp (40P) |
7855P-056* |
74 |
Condensate Trap Assembly |
7855P-053 |
74-1 |
Condensate Trap Supporting Clips |
7855P-117* |
75 |
Condensate Drain Hose |
7855P-051* |
76 |
Clamp (23P) |
7855P-366* |
77 |
Condensate Outlet Fitting |
7855P-052 |
78 |
Air Vent Pipe |
7855P-048* |
79 |
Air Vent |
7855P-063 |
80 |
Burner Assemlby Bracket |
7855P-070* |
90 |
Sight Glass Assembly |
7855P-401 |
. |
|
|
Combustion Chamber Replacement Parts (Diagram 4) |
Item # |
Description |
Part # |
81 |
Air Intake Pipe |
7855P-071* |
82 |
Fan Assembly |
N/A |
82-1 |
Fan |
7855P-025 |
82-2 |
Fan O-Ring |
7855P-371 |
82-3 |
Air Gas Mixer |
7855P-027* |
82-4 |
Air Intake Orifice (29.5) |
7855P-130* |
83 |
Fan Outlet Mesh |
7855P-299* |
84 |
Burner Inlet Channel Gasket |
7855P-370 |
85 |
Gas Orifice Nozzle |
|
|
- (NG) - 5.9 mm |
7855P-026* |
|
- (LP) - 4.7 mm |
7855P-079* |
86 |
Gas Outlet Pipe (AL) |
7855P-090* |
87 |
Gas Valve Assembly |
7855P-032* |
87-1 |
Gas Valve |
7855P-034 |
87-2 |
Gas Valve Bracket |
7855P-096* |
87-3 |
Gas Valve O-Ring |
7855P-076 |
87-4 |
Gas Valve Inlet Adapter |
7855P-033 |
88 |
Ignition Transformer |
7855P-007 |
89 |
Gas Inlet Pipe (AL) |
7855P-091* |
. |
|
|
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 |
. |
|
|
Gaskets, O-Rings and Clips (Not Shown) |
Item # |
Description |
Part # |
1 |
Exhaust Temperature Sensor O-Ring |
7855P-092 |
2 |
P15 O-Ring |
7855P-044 |
3 |
P16 O-Ring |
7855P-075 |
4 |
P18 O-Ring |
7855P-047 |
5 |
P22 O-Ring |
7855P-276 |
6 |
1/2 in. Pipe Gasket |
7855P-072 |
7 |
3/4 in. Pipe Gasket |
7855P-073 |
8 |
1 in. Pipe Gasket |
7855P-074 |
9 |
1/2 in. Gas Pipe Gasket |
7855P-221 |
10 |
Water Flow Sensor Clip |
7855P-042* |
11 |
Pipe Clip |
7855P-042* |
. |
|
|