| 1 | 10535707 | Top Panel Assembly |  |  | 
	| 2 | 10540800 | Spacer, Flue Collector |  |  | 
	| 3 | 10533700 | End Panel, Flue Collector, Left |  |  | 
	| 4 | 10533800 | End Panel, Flue Collector, Right |  |  | 
	| 5 | 10535507 | Rear Panel, Flue Collector {Indoor} |  |  | 
	| 6 | 10534407 | Front Support, Flue Collector {Indoor} |  |  | 
	| 7 | 10534207 | Tile Cover, Front/Rear {Indoor} |  |  | 
	| 9 | 10547901 | Tile Heat Shield/Spacer, Front |  |  | 
	| 11 | 10548102 | Tile Heat Shield/Spacer, Front |  |  | 
	| 12 | 10548201 | Tile Heat Shield/Spacer, Rear |  |  | 
	| 14 | 10548402 | Tile Heat Shield/Spacer, Rear |  |  | 
	| 15 | 10533600 | Saddle Assembly, End Tile |  |  | 
	| 16 | 10540701 | Lower End Panel/Heat Shield Weldment, Right |  |  | 
	| 17 | 10540702 | Lower End Panel/Heat Shield Weldment, Left |  |  | 
	| 18 | 10532907 | Lower Rear Panel Weldment |  |  | 
	| 19 | 10540407 | Middle Rear Panel/Heat Shield Weldment |  |  | 
	| 20 | 10531600 | End Panel, Upper Right |  |  | 
	| 21 | 10534000 | End Panel, Upper Left |  |  | 
	| 22 | 10540507 | Upper Rear Panel/Heat Shield Weldment |  |  | 
	| 23 | 10531507 | Front Panel, Upper |  |  | 
	| 24 | 10551000 | Bracket, Support, End Tile |  |  | 
	| 25 | 10540907 | Drafthood, Relief Baffl e, Right |  |  | 
	| 26 | 10541007 | Drafthood, Relief Baffl e, Left |  |  | 
	| 27 | 10554607 | Lower Front Panel/Heat Shield Weldment |  |  | 
	| 28 | 10554407 | Middle Front Panel {Indoor} |  |  | 
	| 29 | 10533907 | Sweep Sheet, Flue Collector {Indoor} |  |  | 
	| 30 | 10545800 | Control Box Weldment |  |  | 
	| 31 | 10547200 | Control Box Cover {Indoor} |  |  | 
	| 32 | 10536907 | Base/Tile Support Assembly {Indoor} |  |  | 
	| 33 |  | Tile Assemblies |  |  | 
	 | 10539000 | Non-Combustible Base {Rail} |  |  | 
	| 34 | 10534707 | 8-Tube Assembly, Copper Tubes/Cast Iron Tubs {Indoor} |  |  | 
	 | 10542907 | 8-Tube Assembly, Copper Tubes/Bronze Tubs {Indoor} |  |  | 
	 | 10553607 | 8-Tube Assembly, CU-NI Tubes/Cast Iron Tubs {Indoor} |  |  | 
	 | 10553707 | 8-Tube Assembly, CU-NI Tubes/Bronze Tubs {Indoor} |  |  | 
	| 35 | 10534307 | Baffl e, Heat Exchanger Front/Rear {Indoor} |  |  | 
	| 36 | 10534607 | Baffl e, Heat Exchanger {8-Tube} |  |  | 
	| 37 | 10364500 | Inlet/Outlet Header, Machined {S0094300 Glassed Cast Iron} |  |  | 
	 | 10364501 | Inlet/Outlet Header, Machined {S0064000 Bronze} |  |  | 
	| 38 | 10391303 | Flange, 2-1/2" NPT Machined {S0063600 Cast Iron} |  |  | 
	 | 10391304 | Flange, 2-1/2" NPT Machined {S0064400 Bronze} |  |  | 
	| 39 | 20130002 | Tee, Machined Flange {Glassed Cast Iron} |  |  | 
	 | 20150303 | Tee, Machined Flange {Bronze} |  |  | 
	| 40 | 10338300 | Baffl e, Water Inlet |  |  | 
	| 41 | 20230101 | Barrier, Water |  |  | 
	| 42 | S0063700 | Flange Gasket |  |  | 
	| 43 | S0095100 | Header Gasket w/Barrier |  |  | 
	| 44 | E2074000 | Well, Immersion |  |  | 
	| 45 | E0025900 | Well, High Limit |  |  | 
	| 46 | A0063600 | Valve, Pressure Relief 3/4 NPT, 75 PSI |  |  | 
	| 47 | A2089500 | Temperature Gauge |  |  | 
	| 48 | RE0013000 | Flow Switch Kit {Indoor / Outdoor} |  |  | 
	| 49 | A2001800 | Pump, Motor, Impeller |  |  | 
	| 50 | 10364200 | Pump Adapter {Glassed Cast Iron} |  |  | 
	 | 10364201 | Pump Adapter {Cast Bronze} |  |  | 
	| 51 | 10261501 | Pump Housing {Glassed Cast Iron} |  |  | 
	 | 10483301 | Pump Housing {Bronze} |  |  | 
	 | S2056900 | Casting, Pump Volute |  |  | 
	| 52 | 10338400 | Baffl e, Diffuser |  |  | 
	| 53 | S0024600 | Pump Housing Gasket |  |  | 
	| 54 | A0021400 | Pump Motor Gasket, |  |  | 
	 |  | Gas System |  |  | 
	| 55 | 10550607 | Burner Tray, IID, On/Off, Single Sect. Manifold {Nat.} |  |  | 
	 | 20097407 | Burner Tray, IID, On/Off, Single Sect. Manifold {LP} |  |  | 
	 | 10526207 | Burner Tray, St. Pilot, On/Off, Single Sect. Manifold {Nat.} |  |  | 
	 | 10529607 | Burner Tray, St. Pilot, On/Off,Burner Tray, St. Pilot, On/Off, |  |  | 
	| 56 | 10525907 | Gas Manifold Weldment {Single Inlet} |  |  | 
	| 57 | L0052300 | Burner, Main |  |  | 
	| 58 | 10529502 | Pilot Bracket/Burner Weldment |  |  | 
	| 59 | W0035800 | Pilot Burner Standing Pilot {Nat.} |  |  | 
	 | W0034400 | Pilot Burner Standing Pilot {LP} |  |  | 
	 | W0030600 | Pilot Burner IID Pilot {Nat.} |  |  | 
	 | W2001300 | Pilot Burner IID Pilot {LP} |  |  | 
	| 60 | L0050700 | Orifi ce, Nat. Gas - 4" W.C. {Sea Level} |  |  | 
	 | L0032900 | Orifi ce, Propane - 9" W.C. {Sea Level} |  |  | 
	| 61 | V0004300 | Valve, Manual, Gas {Nat.} |  |  | 
	 | V0004300 | Valve, Manual, Gas {LP} |  |  | 
	| 62 | V0046700 | Safety Gas Valve, On-Off {Nat.} |  |  | 
	 | V0046700 | Safety Gas Valve, On-Off {LP} |  |  | 
	| 63 | V0051300 | Valve, Gas, Operating/Reg. On-Off {Nat.} |  |  | 
	 | V0054800 | Valve, Gas, Operating/Reg. On-Off {LP} |  |  | 
	| 64 | W0002100 | Valve, Pilot, Gas Manual |  |  | 
	| 65 | 10552907 | Manifold Cover Plate Assembly {Single Pilot} |  |  | 
	| 66 | 10525307 | Burner Anti-Rotation Bracket {Single Pilot} |  |  | 
	| 67 | 10525708 | Burner Tie Down Bracket, Left {Single Pilot} |  |  | 
	| 68 | 10542008 | Burner Tie Down Bracket, Right {Single Pilot} |  |  | 
	| 69 | W0035900 | Thermocouple {Standing Pilot} |  |  | 
	| 70 | W0019300 | Pilot Solenoid Valve (IID) Man. Reset Pilot Relay (Std. Pilot) |  |  | 
	 | W0030000 | Man. Reset Pilot Relay (Std. Pilot) |  |  | 
	 |  | Electrical Components |  |  | 
	| 71 | E2305500 | Ignition Control, Electronic, U.S. {Nat.} |  |  | 
	 | E2305400 | Ignition Control, Electronic, Single Try |  |  | 
	| 72 | R0021300 | Transformer, 115V/24V |  |  | 
	| 73 | E2103900 | Switch, High Limit, Manual Reset |  |  | 
	| 74 | E2103800 | Controller, Water Temp. |  |  | 
	| 75 | E2103600 | Sensor, Water Temp. |  |  | 
	| 76 | E2104800 | Switch, Limit, Auto Reset |  |  | 
	| 77 | 20305103 | Water Barrier Assembly |  |  | 
	 |  | Electrical Components {Optional} |  |  | 
	 | E0023300 | High Gas Pressure Switch |  |  | 
	 | E0023500 | Low Gas Pressure Switch |  |  | 
	 | RE2075100 | Low Water CutOff |  |  | 
	 | V0019000 | Vent Valve 120 Volts {System 4} |  |  | 
	 | V2000100 | Vent Valve 24 Volts {System 9, 11} |  |  | 
	| 5 | 10661707 | Rear Panel, Flue Collector {Outdoor} |  |  | 
	| 6 | 10662107 | Front Support, Flue Collector {Outdoor} |  |  | 
	| 7 | 10661507 | Tile Cover, Front/Rear {Outdoor} |  |  | 
	| 28 | 10662007 | Middle Front Panel {Outdoor} |  |  | 
	| 29 | 10662207 | Sweep Sheet, Flue Collector {Outdoor} |  |  | 
	| 31 | 10630300 | Control Box Cover {Outdoor} |  |  | 
	| 32 | 10602307 | Non-Combustible Base/Tile Non-Combustible Base/Tile |  |  | 
	| 34 | 10665907 | 10-Tube Assembly, Copper Tube/Cast Iron Tubs {Outdoor} |  |  | 
	 | 20001107 | 10-Tube Assembly, Copper Tube/Bronze Tubs {Outdoor} |  |  | 
	 | 20001007 | 10-Tube Assembly, CU-NI Tubes/ Cast Iron Tubs {Outdoor} |  |  | 
	 | 10670407 | 10-Tube Assembly, CU-NI Tubes/ Bronze Tubs {Outdoor} |  |  | 
	| 35 | 20020107 | Baffl e, Heat Exchanger Front/Rear {Outdoor} |  |  | 
	| 36 | 10667707 | Baffl e, Heat Exchanger, 10-Tube |  |  | 
	| 1 | 10660707 | Top Panel |  |  | 
	| 2 | 10658107 | Rear Windshield |  |  | 
	| 3 | 10657107 | Upper Rear Louver shield |  |  | 
	| 4 | 10658707 | Upper Rear Panel |  |  | 
	| 5 | 10660200 | Gap Closure-Side |  |  | 
	| 6 | 10660107 | Gap Closure-Middle |  |  | 
	| 7 | 10660507 | Lower Rear Panel Assembly |  |  | 
	| 8 | 10657700 | Rear End Panel Left and Right |  |  | 
	| 9 | 10659907 | Lower Rear Shield-Inner |  |  | 
	| 10 | 10658507 | Rear Base Extension |  |  | 
	| 11 | 20050200 | Gas Train Interface Plate |  |  | 
	| 12 | 10657501 | Left Front End Panel |  |  | 
	| 13 | 10657502 | Right Front End Panel |  |  | 
	| 14 | 10659707 | Front Base Extension |  |  | 
	| 15 | 20050407 | Door Panel Weldment |  |  | 
	 | 20100707 | Left Door Panel Weldment |  |  | 
	| 16 | 10659107 | Front Windshield |  |  | 
	| 17 | 10658907 | Upper Front Panel |  |  | 
	| 18 | 10659507 | Flue Panel Front |  |  | 
	| 19 | 10659307 | Flue Panel Rear |  |  | 
	| 20 | 20050100 | Pump Cover Assembly |  |  |