The following spare parts are available for the model number OFSU40:
Burners
| Part name | Also known as |
| OFBFG02009/1 - Burner gasket | |
| OFM113/3 - Burner Motor 100W |
Controls
| Part name | Also known as |
| OF3031027 - Control box satronic | controller satronic, ignition controller satronic, electronic controller satronic, auto ignition controller satronic, main burner relay satronic |
Fans & Motors Axial/Main
| Part name | Also known as |
| OFG11020 - Main Air Fan Assy |