The following spare parts are available for the model number OFSU100:
Burners
| Part name | Also known as |
| OFBFG02009/1 - Burner gasket | |
| OFM144/1 - Burner Motor 130W |
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 |
| OFG04990 - Main Axial Fan Motor Guard Middle and Flue End | Main main fan Motor Guard Middle and Flue End, Main centrifugal fan / motor assembly Motor Guard Middle and Flue End |
| OFG11020 - Main Air Fan Assy |