The following spare parts are available for the model number RS44/MZ (350 - 375):
Burners
| Part name | Also known as |
| 30-02-480 - RS34/44 Transformer | RS34/44 ignition transformer |
| 30-03-817 - Rl32 Burner Gasket | |
| 30-03-848 - RS34/44 Flame Sensor Lead | |
| 30-03-887 - RS44 Actuator/Servo | |
| 30-09-972 - HT LEAD RS34 MZ | |
| 3002316 - RS34/44 Pressure Switch | RS34/44 vacuum switch, RS34/44 aps / air pressure switch |
| 3003767 - RS44 Motor Capacitor | |
| 3003811 - RL44 Blast Tube/End Cone | |
| 3013722 - RS44 Fan | |
| 3013734 - RS44 Diffuser/Distributor | |
| 3013742 - RS44 Flange/Manifold | |
| 3013751 - RL44 Motor |
Controls
| Part name | Also known as |
| 30-13-073 - RMG88 C. BOX ALL |
Conversion Kits
| Part name | Also known as |
| 3010424 - RS44 / RS35 LPG Conversion Kit |
Dampers
| Part name | Also known as |
| 3013748 - RS34/44 Air Damper Assembly |
Gas Valves
| Part name | Also known as |
| 39-70-233 - Rs44/Mz On/Off Gas Train Only |
Other Heater Components
| Part name | Also known as |
| 30-13-725 - Probe Gas | |
| 30-14-037 - Spark Electrode to suit RS35/M Burner |