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-411* |
| 13-1 |
Air Intake Cap |
7855P-337* |
| 14 |
Access Panel |
7855P-005* |
| 15 |
Flue APS |
7855P-133* |
| 16 |
Control Board Bracket |
7855P-009* |
| 17 |
Control Board |
7855P-105 |
| 18 |
Terminal Block Combi 6P |
7855P-272* |
| 19 |
Terminal Block Bracket |
7855P-016* |
| 20 |
Manual Power Switch |
7855P-014* |
| 21 |
HX Support Bracket |
7855P-108 |
| 22 |
Display Panel |
7855P-012 (new # 7865P-032) |
| 23 |
HX Support Bar |
7855P-109* |
| 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-110* |
| 31 |
Cabinet |
7855P-111* |
| 32 |
Gas Inlet Adapter (3/4 in.) |
7855P-382 |
| 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 |
Air Vent |
7855P-063 |
| 47 |
Storage Tank Outlet Pipe |
7855P-114* |
| 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 Assembly |
7855P-415 |
| 58 |
Exhaust Pipe Gasket |
7855P-418 |
| 59 |
H/X Assembly |
7855P-115* |
| 59-1 |
Burner Body Assembly |
7855P-416 |
| 59-2 |
Burner Body |
7855P-606* |
| 59-3 |
Burner Gasket |
7855P-419 |
| 59-4 |
Ceramic Fiber Burner |
7855P-420 (new # 7855P-438) |
| 59-5 |
Ignition Rod |
7855P-607 |
| 59-6 |
Ignitor Gasket |
7855P-252 |
| 59-7 |
Burner Overheat Switch |
7855P-066 |
| 59-8 |
Heat Exchanger Top |
7855P-619 (no longer available) |
| 59-9 |
Burner Refractory |
7855P-612 (no longer available) |
| 60 |
Flame Sensor Bracket |
7855P-356 |
| 61 |
Flame Sensor Cover |
7855P-357 |
| 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 Pump |
7855P-116* |
| 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 |
| 93 |
Sight Glass Assembly |
7855P-401 |
| . |
|
|
Combustion System Replacement Parts (Diagram 4) |
| Item # |
Description |
Part # |
| 78 |
Burner Inlet Channel Gasket (with Damper) |
7855P-424 |
| 79 |
Air Damper |
7855P-618 |
| 80 |
Air Damper Guide |
7855P-369 |
| 81 |
Fan Outlet Gasket |
7855P-425 |
| 82 |
Burner Inlet Channel Gasket |
7855P-426 |
| 83 |
Fan and Mixer Assembly |
7855P-427 |
| 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* |
| 83-1 |
Fan |
7855P-025 |
| 84 |
Air Intake Hose Top Clamp (89) |
7855P-429 |
| 85 |
Air Intake Hose |
7855P-430 |
| 86 |
Air Intake Hose Top Clamp (100) |
7855P-332* |
| 87 |
APS Hose Fitting |
7855P-375* |
| 88 |
Gas Valve Assembly |
7855P-118* |
| 88-1 |
Gas Valve Bracket |
7855P-119* |
| 88-2 |
Air Intake Hose |
7855P-430 |
| 88-3 |
Gas Valve O-Ring |
7855P-076 |
| 88-4 |
Gas Valve |
7855P-034 |
| 88-5 |
Gas Valve Outlet Adapter |
7855P-232 |
| 88 |
Ignition Transformer |
7855P-007 |
| 89 |
Gas Orifice Nozzle |
|
| |
- (NG) - 8.3 mm |
7855P-610 |
| |
- (LP) - 6.2 mm |
7855P-435 |
| 90 |
Gas Pipe (AGM) 15.88 63mm |
7855P-120* |
| 91 |
Gas Pipe (Gas Inlet Adapter) 15.88 63mm |
7855P-121* |
| . |
|
|
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* |
| . |
|
|
| 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 |
| . |