The following spare parts are available for the model number VSX35:
Gas Valves
| Part name | Also known as |
| 201857 - Sigma Gas Valve | Sigma solenoid valve |
| 202404 - Gas Valve | solenoid valve |
| 202748 - White Rogers Replacement Gas Valve Kit (Nat Gas) | White Rogers Replacement solenoid valve Kit (Nat Gas) |
| 900375 - Lead To Suit Sigma Gas Valve | Lead To Suit Sigma solenoid valve |
| M200106-S - Rings To Suit Sigma Gas Valve | Rings To Suit Sigma solenoid valve |
Other Heater Components
| Part name | Also known as |
| 201488 - Gasket Set | |
| 201632 - Fan Fixing Plate Gasket |