| 1 | 20067203 | Base Weldment Assembly | | |
| 2 | 20011003 | Base Assembly | | |
| 3 | 20005703 | Center Heat Shield Assembly | | |
| 3a | 20005603 | Center Heat Shield Panel | | |
| 4 | 20011101 | End Tile Rail Support Assembly (left) | | |
| 4a | 20011102 | End Tile Rail Support Assembly (right) | | |
| 5 | 20064401 | Manifold Assy. Single | | |
| 20064202 | Manifold Assy. Split | | |
| 6a | 20012600 | Main Burner Assembly Pilot Burner Bracket | | |
| 6b | L2005800 | Main Burner (without pilot bracket) | | |
| 7 | 20002300 | Inner Shield | | |
| 8 | 20002600 | End Tile Channel | | |
| 9 | 20004303 | Front Lower Closure | | |
| 10 | 20011403 | Rear Tile Rail Assembly | | |
| 11 | 20011303 | Front Tile Rail Assembly | | |
| 12 | 20012403 | Rear Closure Assembly | | |
| 13 | 20003203 | Heat Shield Support Bracket | | |
| 14 | 20012103 | Tile Heat Shield Assembly | | |
| 15 | 20011603 | Lower Panel Assembly F & R | | |
| 16 | 20005803 | Tile Cover | | |
| 17 | 10533601 | Saddle Assembly End Tile | | |
| 20 | 20004900 | Center Support Assembly | | |
| 21 | 20001302 | Heat Exchanger Assembly | | |
| 21a | S0095300 | Gasket, Header | | |
| 21b | 10397500 | Water Barrier | | |
| 21c | 10416200 | Double Pass Header | | |
| 21d | S0095600 | Gasket, Flange | | |
| 21e | 10417400 | Flange | | |
| 21f | F0024500 | Cap Screw-Hex. Hd.1/2" - 13UNC x 2" | | |
| 21g | 10416100 | Return Header | | |
| 21h | S0095300 | Gasket, Header | | |
| 21j | F0013300 | Cap Screw-Hex. Hd.1/2" - 13UNC x 1 1/2" | | |
| 21k | F0010300 | Washer - 1/2" | | |
| 22 | F0010800 | Lock Washer - 3/8" | | |
| 23 | F0011100 | Washer - 3/8" | | |
| 24 | F0015900 | Cap Screw3/8" - 16UNC x 3/4" | | |
| 25 | 20010900 | Heat Exchanger Baffle Assembly | | |
| 26 | 10534312 | Heat Exchanger Baffle F & R | | |
| 27 | 20006403 | Front & Rear Closure | | |
| 28 | 20012503 | Inside Baffle Assembly Indoor | | |
| 20012510 | Outdoor | | |
| 29 | 20011503 | Flue Panel Assembly F & R | | |
| 30 | 20011703 | Upper Panel F & R (indoor only) | | |
| 31 | 20012203 | Flue Diverter Assembly (indoor only) | | |
| 32 | 20006301 | Upper Wing F & R, Left (indoor only) | | |
| 33 | 20006302 | Upper Wing F & R, Right (indoor only) | | |
| 34 | 20012303 | Top Panel Assembly (indoor only) | | |
| 35 | 20012000 | Flue End Assembly | | |
| 36 | 20011900 | Upper End Assembly | | |
| 37 | 20011800 | Lower End Panel Assembly | | |
| 38 | 20013700 | Control Mounting Panel | | |
| 39 | 20018700 | Control Cover - Front | | |
| 40 | 20011200 | Control Box Cover Top | | |
| 41 | 20035403 | Pilot Lead Assembly (Johnson) Standing Pilot, Nat/Propane | | |
| 20035404 | Pilot Lead Assembly (Honeywell) Standing Pilot, Nat/Propane | | |
| 20035401 | Pilot Lead Assembly (Johson)IID Pilot, Nat | | |
| 20035402 | Pilot Lead Assembly (Honeywell) IID Pilot, Nat | | |
| 42 | 20016400 | Pilot Shield | | |
| 43 | 20013801 | Draft Hood Relief Baffle - Right (indoor only) | | |
| 44 | 20013805 | Draft Hood Relief Baffle - Right (indoor only) | | |
| 45 | V2013800 | Manual Valve | | |
| 46 | V0046900 | Safety Valve | | |
| 47 | V2001000 | Operating Valve | | |
| 48 | W0002100 | Manual Pilot Valve | | |
| 49(a) | W0019300 | Manual Pilot Valve | | |
| 49(b) | W003000 | Pilot Relay (Standing Pilot) | | |
| 50 | W0034700 | Pilot Burner (Johnson) Standing Pilot, Nat | | |
| W0034800 | Pilot Burner (Honeywell) Standing Pilot, Nat | | |
| 51 | W0034600 | Pilot Burner (Johnson) Standing Pilot, Propane | | |
| W0034400 | Pilot Burner (Honeywell) Standing Pilot, Propane | | |
| 52 | W0034500 | Pilot Burner (Johnson) IID Pilot, Nat | | |
| W0034300 | Pilot Burner (Honeywell IID Pilot, Nat | | |
