| 1 | | Casing Assembly | | |
| 2 | | Wall Fitting Bracket | | |
| 3 | | Rubber Bushing | | |
| 4 | | Connection Reinforcement Panel | | |
| 5 | | Heat Protection Plate | | |
| 6 | | Front Panel | | |
| 7 | | Front Panel Gasket | | |
| 8 | | | | |
| 100 | | Gas Control Assembly | | |
| 101 | | Screw | | |
| 102 | | | | |
| 103 | | Burner Unit Assembly | | |
| 104 | | Burner Case Front | | |
| 105 | | Burner Case Bottom Panel | | |
| 106 | | Burner Air Orifice Plate | | |
| 107 | | Bunsen Burners | | |
| 108 | | Burner Case Back Panel | | |
| 109 | | Damper Plate | | |
| 110 | | Manifold Assembly | Natural Gas | |
| 110 | | Manifold Assembly | L.P. Gas | |
| 111 | | Upper Burner Manifold Gasket | | |
| 112 | | Lower Burner Manifold Gasket | | |
| 113 | | Combustion Chamber Pressure Tap Screw | | |
| 114 | | Combustion Chamber Front Plate Assembly | | |
| 115 | | Combustion Chamber Front Plate | | |
| 116 | | Spark Electrode | | |
| 117 | | Flame Sense Rod | | |
| 118 | | Electrode Gasket | | |
| 119 | | Electrode Holder | | |
| 120 | | Upper Combustion Chamber Gasket | | |
| 121 | | Combustion Chamber Pressure Tap | | |
| 122 | | Pressure Tube | | |
| 125 | | Combustion Blower Assembly | | |
| 126 | | Blower Housing Assembly | | |
| 127 | | Blower Mounting Bracket | | |
| 128 | | Blower Gasket | | |
| 129 | | Blower Motor | | |
| 130 | | Blower Venturi Inlet Plate | | |
| 131 | | Bellow Connecting Bracket/Intake Duct | | |
| 132 | | Combustion Chamber Bracket | | |
| 135 | | Side Air Inlet Box Assembly | | |
| 136 | | Bellows Connecting Bracket/Blower | | |
| 137 | | Bellows | | |
| 138 | | Bellows Clamping Ring | | |
| 139 | | Top Air Inlet Box Assembly | | |
| 140 | | Exhaust Bracket | | |
| 141 | | Exhaust Bracket Holder | | |
| 142 | | Air Inlet Box Cover | | |
| 145 | | | | |
| 400 | | | | |
| 401 | | Water Flow Servo and Sensor Assembly | | |
| 402 | | Rectifier | | |
| 403 | | By-pass Servo Assembly | | |
| 404 | | Sensor Bracket | | |
| 405 | | Bypass O-Ring | | |
| 406 | | Water Filter Assembly | | |
| 407 | | Filter Plug | | |
| 408 | | | | |
| 409 | | Sensor Bracket | | |
| 410 | | Small Plug Gasket | | |
| 411 | | Drain Valve | | |
| 700 | | PCB Board Assembly | | |
| 701 | | Surge Protector | | |
| 702 | | PCP Cover - Side | | |
| 703 | | PCB Cover - Front | | |
| 704 | | Transformer | | |
| 705 | | PCB Bracket | | |
| 706 | | Igniter | | |
| 707 | | High Tension Lead | | |
| 708 | | Spark Electrode Boot | | |
| 709 | | Thermistor | | |
| 710 | | Thermistor Clip - Large | | |
| 711 | | Thermal Fuse Clip | | |
| 712 | | Frost Sensing Switch | | |
| 713 | | 120v Anti-Frost Heater Assembly | | |
| 714 | | Heater Connecting Harness | | |
| 715 | | 120v Valve Heater Assembly | | |
| 716 | | Anti-Frost Heater Clip | | |
| 717 | | Anti-Frost Heater Clip A | | |
| 718 | | Anti-Frost Heater Clip | | |
| 719 | | Inlet Air Thermistor | | |
| 720 | | Power Supply Harness | | |
| 721 | | Fuse Harness | | |
| 722 | | 100v Harness | | |
| 723 | | Solenoid Valve Harness | | |
| 724 | | Sensor Harness | | |
| 725 | | Thermal Fuse Harness | | |
| 726 | | Mold-type Limit Switch | | |
| 727 | | Remote Control Cable | | |
| 728 | | Remote Control Bracket | | |
| 729 | | Main Body Control Panel Assembly | | |
| 800 | | Screw | | |
| 801 | | Screw | | |
| 802 | | Washer | | |
| 803 | | Screw | | |
| 804 | | Screw | | |
| 805 | | Screw | | |
| 810 | | O-Ring | | |
| 811 | | O-Ring | | |
| 812 | | O-Ring | | |
| 813 | | O-Ring | | |
| 814 | | O-Ring | | |
| 815 | | O-Ring | | |
| 816 | | O-Ring | | |
| 817 | | O-Ring | | |
| 818 | | Gasket | | |
| 238-44958-00 | Installation and Operating Instructions | | |
| 239-44509-00 | Temperature Control (all models) | | |
| | | | |
| 239-44516-00 | Standard Vent Discharge Kit (Includes 1 Horizontal Discharge Adapter and 1 Wall Discharge Terminal) | | |
| 239-44506-00 | Horizontal Discharge Adaptor | | |
| 239-46848-00 | Wall Discharge Terminal | | |
| 239-44500-00 | Vertical Discharge Adaptor | | |
| 239-44494-00 | Roof Discharge Terminal | | |
| 239-44501-00 | Condensate Collector Collar | | |
| 239-44492-00 | | | |
| 239-44502-00 | | | |
| 239-44504-00 | | | |
| 239-44503-00 | | | |
| 239-44496-00 | | | |
| 239-44497-00 | | | |
| 239-44498-00 | | | |
| 239-44499-00 | 90 Degree Vent Pipe Elbow | | |
| 239-44495-00 | 45 Degree Vent Pipe Elbow | | |
| 239-44493-00 | Vent Pipe Clamp | | |
