|  | COMBUSTION CHAMBER COMPONENTS |  |  | 
	| 1 | 3C1000 | Base Assembly |  |  | 
	| 2 | 3C2019 | Support, Tile Notch |  |  | 
	| 3 | T2108803 | Chamber, Refractory, Heat Exchanger |  |  | 
	| 4 | 3C2023 | Assembly, Front Panel, Combustion Chamber |  |  | 
	| 5 | 3C2006 | Panel, Rear, Combustion Chamber |  |  | 
	| 6 | 3C2001 | Panel, Top, Combustion Chamber |  |  | 
	| 7 | 2C2201 | Chamber, Right Side, Bottom |  |  | 
	| 8 | 2C2601 | Chamber, Left Side, Bottom |  |  | 
	| 9 | 2C2002 | Chamber, Side, Top |  |  | 
	| 10 | 2C2016 | Panel, Right Side, Air Box |  |  | 
	| 11 | 2C2015 | Panel, Left Side, Air Box |  |  | 
	| 12 | 2C2500 | Weldment, Duct, Blower |  |  | 
	| 13 | 3C2008 | Panel, Top, Air Box |  |  | 
	| 14 | 3C2017 | Plate, Spacer, Burner/Manifold |  |  | 
	| 15 | 3C2009 | Panel, Front, Air Box |  |  | 
	| 16 | 3C2100 | Assembly, Exhaust Vent, Vertical |  |  | 
	| 17 | 2C2300 | Weldment, Flue |  |  | 
	| 18 | 2C5000 | Assembly, Air Shutter, Blower |  |  | 
	| 19 | 2C3800 | Assembly, Filter Housing |  |  | 
	| 20 | 2C3803 | Media, Filter |  |  | 
	| 21 | F2022300 | Clip, Retaining, Filter Media |  |  | 
	| 22 | P0101403 | Hose, Duct, Flexible, 4" Dia. |  |  | 
	| 23 | E0254000 | Blower/Motor |  |  | 
	| 24 | S2104400 | Gasket, Blower |  |  | 
	| 25 | 10956000 | Assembly, Sight Glass |  |  | 
	| 26 | RW2002300 | Ignitor, Hot Surface |  |  | 
	| 27 | 52104300 | Gasket, Burner |  |  | 
	| 28 | L0063301 | Burner, Main (Pressure Port) |  |  | 
	| 29 | L0063300 | Burner, Main |  |  | 
	| 30 | S2104500 | Gasket, Blower Duct |  |  | 
	| 31 | T2015809 | Kit, Insulation, Combustion Chamber |  |  | 
	| 32 | S2104600 | Gasket, Flue Housing |  |  | 
	| 40 | R3C3320 | Panel, Front, Jacket |  |  | 
	| 41 | 3C3220 | Panel, Rear, Jacket |  |  | 
	| 42 | 3C3021 | Panel, Top, Jacket |  |  | 
	| 43 | 3F3019 | Panel, Jacket, Control Access |  |  | 
	| 44 | 2C3620 | Panel, HX Side Access, Jacket |  |  | 
	| 45 | 2C3621 | Panel, Right Side, Upper, Jacket |  |  | 
	| 46 | 2C3520 | Panel, Right Side, Jacket |  |  | 
	| 47 | 2C3420 | Panel, Left Side, Jacket |  |  | 
	| 48 | 2C3622 | Panel, Lower Access, Jacket |  |  | 
	| 49 | 2C3623 | Panel, Filter Side, Upper, Jacket |  |  | 
	| 50 | 2C3010 | Panel, Filter Access, Jacket |  |  | 
	| 51 | 2C3700 | Weldment, Cover, Air Inlet |  |  | 
	| 52 | 3C3702 | Panel, Cover, Exhaust |  |  | 
	| 53 | 10338600 | Plate, Cover, Sight Glass |  |  | 
	| 54 | 2C3014 | Side Panel, Pump Cover, Jacket |  |  | 
	| 55 | 2C3016 | Cover, Pump |  |  | 
	 |  | HEAT EXCHANGER COMPONENTS |  |  | 
	| 60 | R3C4100 | Assembly, Tube, Heat Exchanger, Copper |  |  | 
	 | R3C4120 | Assembly, Tube, Heat Exchanger, Copper-Nickel |  |  | 
	| 61 | 2F4122 | Header, Inlet/Outlet |  |  | 
	| 62 | 2C4103 | Header, Return |  |  | 
	| 63 | 2C4001 | Chamber, Header, Heat Exchanger |  |  | 
	| 64 | 2C4002 | Baffle, End, Heat Exchanger Tube |  |  | 
	| 65 | S0077700 | Flange, Connection, 1-1/2" NPT, Cast Iron |  |  | 
	| 66 | S0076500 | Gasket, Connection Flange, 1-1/2" |  |  | 
	| 67 | A0063300 | Valve, Pressure Relief, 3/4" NPT X 75 PSI |  |  | 
	 | RA0001200 | Valve, Pressure Relief, 3/4" NPT X 125 PSI |  |  | 
	| 68 | RA0079000 | Gauge, Temperature/Pressure |  |  | 
	| 69 | E0234201 | Well, Immersion, Hi-Limit Temperature |  |  | 
	| 70 | E0253900 | Probe, Thermistor |  |  | 
	| 71 | RE0013000 | Switch, Water Flow |  |  | 
	| 72 | A0076800 | Pump, Circulator, Hydronic |  |  | 
	 | A0095704 | Pump, Circulator, Volume Water |  |  | 
	| 73 | S0070800 | Gasket, 5/8" Tube, 7/32" Thk. Heat Exch. (each) |  |  | 
	 |  | GAS TRAIN COMPONENTS |  |  | 
	| 80 | L0063703 | Weldment, Gas Manifold, Main |  |  | 
	| 81 | L0063416 | Manifold, Gas, On/Off |  |  | 
	| 82 | L0063413 | Manifold, Gas, 2 Stage Left Bank |  |  | 
	| 83 | L0063403 | Manifold, Gas, 2 Stage Right Bank |  |  | 
	| 84 | L0062900 | Orifice, Nat. Gas |  |  | 
	 | L0063000 | Orifice, LP Gas |  |  | 
	| 85 | F2022400 | Spacer, Gas Orifice |  |  | 
	| 86 | V0079400 | Gas Valve, Combination, Nat. (DSI) 3/4" NPT x3/4" NPT |  |  | 
	 | V0079500 | Gas Valve, Combination, LP (DSI) 3/4" NPT x3/4" NPT |  |  | 
	| 87 | 2C2018 | Cover, Gas Inlet, Air Box |  |  | 
	 |  | CONTROL PANEL COMPONENTS |  |  | 
	| 92 | 2C7004 | Bracket, Mounting, Hi-Limt/Pressure Switch |  |  | 
	| 93 | E0255500 | Switch, Pressure, Diaphragm, SPST |  |  | 
	| 94 | RE0240900 | Switch, Limit, High Temperature, Hydronic |  |  | 
	| 95 | E2304800 | Switch, Limit, High Temperature, Volume Water |  |  | 
	 | E2324200 | Switch, Limit, High Temperature, Volume Water |  |  | 
	| 96 | E0180500 | Transformer, 24, 120 V, 50VAC |  |  | 
	| 97 | E0253400 | Ignition Control, Hot Surface Ignition |  |  | 
	| 98 | R2007700 | Switch, Toggle, SPDT |  |  | 
	| 99 | 3F7002 | Tray, Control Panel |  |  | 
	| 100 | RE2077700 | Relay, Time Delay, (24VAC) Delay On Break,Adjustable |  |  | 
	| 101 | E2328900 | Relay, 24VAC, DPDT |  |  | 
	| 102 | RE0014400 |  |  |  | 
	 | RE0093200 |  |  |  | 
	| 103 | RE2322700 | Switch, Rocker, 15A, 125 VAC, 1/2 HP |  |  | 
	| 104 |  |  |  |  | 
	| 105 | 2C7005 | Cover, Transformer |  |  | 
	| 106 | E2056300 | Switch, Toggle, SPST |  |  | 
	| 107 | E2327500 | Terminal Block, Double-Row, 16-Position |  |  | 
	| 108 | 2C7006 | Stablilzer, Control Panel |  |  | 
	| 109 | E0102000 | Jumper, Terminal Block |  |  | 
	| 110 | H2339100 | Label, Terminal, Control Contacts |  |  | 
	 | E2337800 | Harness, Main |  |  | 
	 | E2337900 | Harness, Switch, On/Off |  |  | 
	 | E2337901 | Harness, Switch, 2-Stage |  |  |