| 1 | | Front Panel Assembly | | |
| 2 | | Casing Assembly | | |
| 3 | | Wall Installation Bracket | | |
| 4 | | Connection Reinforcement Panel | | |
| 5 | | Heat Protection Plate | | |
| 6 | | Rubber Bushing | | |
| 7 | | Front Panel Gasket | | |
| 8 | | Front Panel Gasket - Side | | |
| 9 | | Front Air Inlet Grill | | |
| 11 | | Rubber Bushing | | |
| 102 | | Gas Connection (3/4" NPT) | | |
| 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 | | | | |
| 112 | | | | |
| 113 | | Combustion Chamber Pressure Tap Screw | | |
| 115 | | Combustion Chamber Front Plate | | |
| 116 | | Spark Ignition Electrode | | |
| 117 | | Flame Sense Rod | | |
| 118 | | Electrode Gasket | | |
| 119 | | Electrode Holder | | |
| 120 | | Upper Combustion Chamber Gasket | | |
| 122 | | Combustion Blower Assembly | | |
| 123 | | Blower Motor | | |
| 127 | | Blower Mounting Bracket | | |
| 128 | | Blower Gasket | | |
| 132 | | Combustion Chamber Bracket | | |
| 136 | | Flue Outlet | | |
| 137 | | Flue Outlet Gasket | | |
| 138 | | Flue Outlet Gasket - 6 | | |
| 140 | | | | |
| 400 | | | | |
| 401 | | Water Flow Servo and Sensor Assembly | | |
| 402 | | Rectifier | | |
| 403 | | By-pass Servo Assembly | | |
| 404 | | Stop Bracket | | |
| 405 | | Plug Band | | |
| 406 | | Water Filter Assembly | | |
| 407 | | Filter Plug | | |
| 408 | | | | |
| 409 | | Stop Bracket | | |
| 410 | | Plug Band - Small | | |
| 411 | | Drain Valve | | |
| 702 | | PCB Cover - Side | | |
| 703 | | PCB Cover - Front | | |
| 704 | | Transformer Assembly | | |
| 705 | | Ignitor Bracket | | |
| 706 | | Ignitor | | |
| 707 | | High Tension Lead | | |
| 708 | | Spark Electrode Boot | | |
| 709 | | Thermistor | | |
| 710 | | Thermistor Clip - Large | | |
| 711 | | Thermal Fuse Clip | | |
| 715 | | 120v Valve Heater Assembly | | |
| 716 | | Anti-Frost Heater Clip | | |
| 717 | | Anti-Frost Heater Clip A | | |
| 718 | | Anti-Frost Heater Clip | | |
| 720 | | Power Supply Harness | | |
| 721 | | Fuse Harness | | |
| 722 | | 100v Harness | | |
| 723 | | Solenoid Valve Harness | | |
| 725 | | Thermal Fuse Harness | | |
| 726 | | Mold-type Limit Switch | | |
| 730 | | PCB Assembly | | |
| 731 | | Surge Protector | | |
| 732 | | Frost Sensing Switch | | |
| 733 | | 120V Anti-Frost Heater Assembly | | |
| 734 | | Sensor Harness - 2 | | |
| 800 | | Screw | | |
| 801 | | Screw | | |
| 802 | | Washer | | |
| 803 | | Screw | | |
| 804 | | Screw | | |
| 805 | | Screw | | |
| 806 | | Screw | | |
| 807 | | Washer | | |
| 808 | | Screw | | |
| 809 | | Screw | | |
| 810 | | O-Ring | | |
| 813 | | O-Ring | | |
| 814 | | O-Ring | | |
| 815 | | O-Ring | | |
| 817 | | O-Ring | | |
| 818 | | Gasket | | |
| 238-44959-00 | Installation and Operating Instructions | | |
| 239-44509-00 | Main Remote Temperature Control - Residential | | |
| 239-44510-00 | Main Remote Temperature Control - Commercial | | |
| 239-44507-00 | Bathroom Remote Temperature Control | | |
| 239-44508-00 | 2nd Bathroom Remote Temperature Control | | |
