| | Jacket and Combustion Chamber Components | | |
| 1 | 10535703 | Top Panel Assembly (Indoor) | | |
| 3 | 10533700 | End panel, Flue Collector, Left | | |
| 4 | 10533800 | End Panel, Flue Collector, Right | | |
| 5 | 10535703 | Rear Panel, Flue Collector | | |
| 6 | 10661803 | Rear Panel, Ext., Flue Collector (Indoor) | | |
| 7 | 10662103 | Front Support, Flue Collector | | |
| 8 | 10661503 | Tile Cover, Front/Rear | | |
| 10 | 10547902 | Tile Heat Shield/Spacer, Front | | |
| 11 | 10548202 | Tile Heat Shield/Spacer, Rear | | |
| 12 | 10533600 | Saddle Assembly, End Tile | | |
| 13 | 10540701 | Lower End Panel/Heat Shield Weldment , Right | | |
| 14 | 10540702 | Lower End Panel/Heat Shield Weldment , Left | | |
| 15 | 10532903 | Lower Rear Panel Weldment | | |
| 16 | 10540403 | Middle Rear Panel/Heat Shield Weldment | | |
| 17 | 10531600 | End Panel, Upper Right | | |
| 18 | 10534000 | End Panel ,Upper Right | | |
| 19 | 10540503 | Upper Rear Panel/Heat Shield Weldment (Indoor) | | |
| 20 | 10531503 | Front Panel, Upper (Indoor) | | |
| 21 | 10551000 | Bracket, Support, End Tile | | |
| 22 | 10540903 | Drafthood, Relief Baffle, Right (Indoor) | | |
| 23 | 10541003 | Drafthood, Relief Baffle, Right (Indoor) | | |
| 24 | 10554603 | Lower Front Panel/Heat Shield Weldment | | |
| 25 | 10662003 | Middle Front Panel | | |
| 26 | 10662203 | Sweep Sheet, Flue Collector | | |
| 27 | 10545800 | Control Box Weldment | | |
| 28 | 10547200 | Control Box Cover (Indoor) | | |
| 10630300 | Control Box Cover (Outdoor) | | |
| 29 | | Tile Assembles | | |
| 30 | | Base/Tile Support Assembly | | |
| | Water System | | |
| 31 | 10665903 | 10-Tube Assembly, Copper Tube/Cast Iron Tubs | | |
| 20001103 | 10-Tube Assembly, Copper Tube/Bronze Tubs | | |
| 20001003 | 10-Tube Assembly, CU-NI Tubes/Cast Iron Tubs | | |
| 10670403 | 10-Tube Assembly, CU-NI Tubes/Bronze Tubs | | |
| 32 | 20020103 | Baffle Heat Exchanger Front/Rear | | |
| 33 | 10667703 | Baffle, Heat Exchanger (10-Tube) | | |
| 34 | 10364304 | Inlet/Outlet Header (Glassed Cast Iron) | | |
| 10364305 | Inlet/Outlet Header (Bronze) | | |
| 35 | S0095100 | Gasket w/Barrier, Header | | |
| 36 | 20230101 | Barrier, Water | | |
| 37 | 10338300 | Baffle, Water Inlet | | |
| 38 | RE2058300 | Well, Immersion | | |
| 39 | S0063700 | Gasket, Flange Tee | | |
| 40 | R20150302 | Tee, Flange (Bronze) | | |
| 41 | E0013100 | Flow Switch (Indoor) | | |
| RE0013000 | Flow Switch (Outdoor) | | |
| 42 | A2089500 | Temperature Gauge | | |
| 43 | A0063300 | Valve, Pressure Relief (PH Model)3/4 NPT 75 PSI | | |
| RA0001200 | 125 PSI (PW Model) | | |
| 44 | RE2075100 | M/R Low Water Cutoff Switch | | |
| 45 | A2000700 | Pump, Motor/Impeller (PH Models) | | |
| RA2000700 | Pump, Motor/Impeller (PH Models) Soft | | |
| RA2000700 | Pump, Motor/Impeller (PH Models) Normal | | |
| RA2000900 | Pump, Motor/Impeller (PH Models) Hard | | |
| 46 | A0021400 | Gasket Pump Motor | | |
| 47 | R10261501 | Pump Housing (Glassed Cast Iron) | | |
| 10483301 | Pump Housing (Bronze) | | |
| 48 | 10364200 | Pump Adapter (Glassed Cast Iron) | | |
| 10364201 | Pump Adapter (Cast Bronze) | | |
| 49 | S0024600 | Gasket, Pump Adapter | | |
| 50 | 10338400 | Baffle, Diffuser | | |
| | Electrical Components | | |
| 51 | E00161400 | Switch, Air Pressure | | |
| 52 | | Control Panel Components | | |
| 1 | 10602003 | Base, Lower Section | | |
| 2 | 10602103 | Base, Upper Section | | |
| 3 | 10955000 | Tile Rail, Left Support | | |
| 4 | 10954500 | Tile Rail, Right Support | | |
| 5 | 10536503 | Front Tile Support | | |
| 6 | 10955103 | Rear Tile Support | | |
| 7 | 10950903 | Rear Base Closure Panel | | |
| 8 | 10954603 | Base Insulation | | |
| 9 | 10950703 | Bracket, Burner Panel, Front | | |
| 10 | 10950801 | Bracket, Burner Panel, Left | | |
| 11 | 10950802 | Bracket, Burner Panel, Right | | |
| 1 | E0234900 | Ignition Control, Electronic | | |
| 2 | E0086100 | Transformer, 115V/24V | | |
| 3 | RE0015900 | Switch, High Limit, Manual Reset | | |
| 4 | E0093200 | Controller, Water Temp (2-stage) | | |
| RE0014400 | Controller, Water Temp (on-off) | | |
| 5 | E0101800 | Terminal Strip | | |
| 6 | E0098300 | Relay, SPST, 24 Volt | | |
| 7 | E2077700 | Relay, Time Delay | | |
| 8 | E0234800 | Switch, Toggle Main Power | | |
| 9 | E0071300 | Light, Indicator, Amber, 110V | | |
| 1 | V0077200 | Valve, Gas, Combination, Dual | | |
| 1 | 10953500 | Housing, Inlet Air, Blower | | |
| 2 | 10953903 | Orifice, Air (Dual) | | |
| 10953907 | Orifice, Air (Single) | | |
| 3 | 10955901 | Housing, Blower, Right | | |
| 10955902 | Housing, Blower, Left | | |
| 4 | 10953401 | Panel, Right Mount, Blower | | |
| 10953402 | Panel, Left Mount, Blower | | |
| 5 | A2088100 | Blower, Right side | | |
| A2088101 | Blower, Left side | | |
| 6 | S0108300 | Gasket, Blower Inlet | | |
| 7 | 10953000 | Air Duct | | |
| 8 | 30-268 | Gasket, Cover | | |
| 9 | 10956403 | Cover, Air Mixture, Plenum | | |
| 10 | 10956600 | Divider, Air Mixture, Front | | |
| 11 | 10950503 | Air Mixture Box | | |
| 12 | A0109700 | Gasket, Plenum/Manifold Inlet | | |
| 13 | 10969901 | Plate, Front, Inlet, Air Box | | |
| 14 | 10969801 | Plate, Front, Inlet, Air Box | | |
| 15 | E0198300 | Grommet, Seal | | |
| 16 | P0092900 | Elbow, Barb | | |
| 17 | E0095500 | Grommet, Seal | | |
| 18 | W0041600 | Sensor, Flame | | |
| 19 | W0042000 | Igniter, Hot Surface | | |
| 20 | W0038100 | Gasket, Igniter | | |
| 21 | 10956800 | Divider, Air Mixture, Rear | | |
| 22 | L0060200 | Orifice, Gas, 1st. Right Side | | |
| L0060700 | Orifice, Gas | | |
| 23 | 10952803 | Manifold, Gas, Dual | | |
| 24 | L0057700 | Burner, Gas | | |
| 25 | 10953803 | Insulation ,Burner Panel | | |
| 26 | S0108400 | Gasket, Burner | | |
| 27 | 10950103 | Panel, Burner | | |
| 28 | | Gas Train | | |
| | Outdoor Jacket | | |
| 1 | 10660703 | Top Panel | | |
| 2 | 10658103 | Rear Windshield | | |
| 3 | 10657103 | Upper Rear Louver Shield | | |
| 4 | 10658703 | Upper Rear Panel | | |
| 5 | 10660200 | Gap Closure-Side | | |
| 6 | 10660103 | Gap Closure-Middle | | |
| 7 | 10660503 | Lower Rear Panel Assembly | | |
| 8 | 10657700 | Rear End Panel Left and Right | | |
| 9 | 10659903 | Lower Rear Shield -Inner | | |
| 10 | 10658503 | Rear Base Extension | | |
| 11 | 10936300 | Left Front End Panel | | |
| 12 | 10657502 | Right Front End Panel | | |
| 13 | 10659703 | Front Base Extension | | |
| 14 | 20050403 | Door Panel Weldment | | |
| | Door Panel Weldment, Left | | |
| 15 | 10659103 | Front Windshield | | |
| 16 | 10658903 | Upper Front Panel | | |
| 17 | 10659503 | Flue Panel, Front | | |
| 18 | 10659303 | Flue Panel, Rear | | |
| 19 | 20050100 | Pump Cover Assembly | | |
