The following spare parts are available for the model number 300:
Controls
| Part name | Also known as |
| 03-25050-125 - Speed Controller | Speed control box, Speed ignition controller, Speed electronic controller, Speed auto ignition controller, Speed main burner relay |
Electrical Components
| Part name | Also known as |
| 30-61738-24v - Relay 24V |
Fans & Motors Flue/Venter
| Part name | Also known as |
| 80-25867-01 - Flue Fan (Venter) motor & wheel (80 25867 01) | combustion fan (Venter) motor & wheel (80 25867 01), combustion fan assembly (Venter) motor & wheel (80 25867 01), flue venter assembly (Venter) motor & wheel (80 25867 01), venter motor (Venter) motor & wheel (80 25867 01), premix burner combustion fan (Venter) motor & wheel (80 25867 01) |