The following spare parts are available for the model number (HCHE) 120:
Belts & Pulleys
| Part name | Also known as |
| 2805-67 - SPA 1357 BELT |
Burners
Connectors
| Part name | Also known as |
| 30-05-720 - FUEL LINE | |
| 33-51-407 - 7 x 90 Degree Condensate Tee S/S 430 S/W (175mm) |
Controls
| Part name | Also known as |
| 29-01-211 - AMBIRAD SMARTCOM | |
| 30-01-138 - GS10/20, RS34 Control Box 508 SE (Prior to 2002) | GS10/20, RS34 controller 508 SE (Prior to 2002), GS10/20, RS34 ignition controller 508 SE (Prior to 2002), GS10/20, RS34 electronic controller 508 SE (Prior to 2002), GS10/20, RS34 auto ignition controller 508 SE (Prior to 2002), GS10/20, RS34 main burner relay 508 SE (Prior to 2002) |
| 30-01-156 - G5/10/20 530 Se Control Box | G5/10/20 530 Se controller, G5/10/20 530 Se ignition controller, G5/10/20 530 Se electronic controller, G5/10/20 530 Se auto ignition controller, G5/10/20 530 Se main burner relay |
| 30-13-073 - RMG88 C. BOX ALL |
Dampers
| Part name | Also known as |
| 3000880 - G20 Air Flap | |
| 3007206 - G20 Air Damper | |
| 3009631 - GS20 Air Damper |
Electrical Components
| Part name | Also known as |
| 28-11-135 - Contactor (2.2 - 4.0kW) | |
| 6131-3 - Overload (4 6A) | |
| 8954 - 6.3A Fuse 20Mm |
Fans & Motors Centrifugal
| Part name | Also known as |
| 8785 - Centrifugal Fan BDC 381-381 (03 26012 400500) | |
| STBM2203 - Motor 2.2Kw 3Ph |
Filters
| Part name | Also known as |
| 8985 - Fuel Filter 3/8" |
Gas Valves
| Part name | Also known as |
| 30-02-279 - G5/10/20 Solenoid Coil | |
| 39-70-531 - Gs20 On/Off Gas Train Only |