The following spare parts are available for the model number AR40/SL 50':
Burners
| Part name | Also known as |
| 3190 - Burner Gasket | |
| BA40SLNUK - AR40SL Burner Assembly (Nat Gas) |
Controls
| Part name | Also known as |
| 2015 - Ignition Controller P16-Dia C/W Lead | Ignition control box P16-Dia C/W Lead, Ignition ignition controller P16-Dia C/W Lead, Ignition electronic controller P16-Dia C/W Lead, Ignition auto ignition controller P16-Dia C/W Lead, Ignition main burner relay P16-Dia C/W Lead, Ignition pcb P16-Dia C/W Lead, Ignition control board P16-Dia C/W Lead, Control box P16-Dia C/W Lead, Controller P16-Dia C/W Lead, Electronic controller P16-Dia C/W Lead, Auto ignition controller P16-Dia C/W Lead, Main burner relay P16-Dia C/W Lead, Pcb P16-Dia C/W Lead, Control board P16-Dia C/W Lead |
Fans & Motors Flue/Venter
| Part name | Also known as |
| 2507-DE - Id Fan 076819-01 | Combustion fan 076819-01, Combustion fan assembly 076819-01, Flue venter assembly 076819-01, Flue fan 076819-01, Venter motor 076819-01, Premix burner combustion fan 076819-01, Flue fan assembly 076819-01, Combustion venter assembly 076819-01 |
Gas Valves
| Part name | Also known as |
| 201857 - Sigma Gas Valve | Sigma solenoid valve |
| 2052 - Sit Twin Solenoid Gas Valve | Sit Twin Solenoid solenoid valve |
| 2197 - Webber Valve | |
| 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 |
| 2175 - Amber Neon | |
| 2180 - Red Neon | |
| 2192-2-PTU - Huba Pressure Switch | Huba vacuum switch, Huba aps / air pressure switch, Huba diff. press. switch |
| 2243-1 - Igniter Cable/Ht Lead | |
| 2243-2 - Rectification/Flame Sensor Cable | |
| 3175 - Probe Assembly | |
| FS100-65 - Fan Spinning 100mm Tube (65mm Hole) |
PLUG & CABLE
| Part name | Also known as |
| 3159-SUB - Plug and Socket Set |