The following spare parts are available for the model number ER22/SL:
Burners
| Part name | Also known as |
| 2202 - ER22 Governor 09231/02028 | |
| 2506-1023612 - Id Fan Au076072 - No Plug C/W Burner Wiring Kit | |
| 3035 - Burner Head | |
| 3038 - ER22/ER38 Burner Gasket |
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, 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 |
Fans & Motors Flue/Venter
| Part name | Also known as |
| 2501-DE - Id Fan 073580-03 | |
| 2506 - COMPLETE I D FAN | |
| 3124 - In-Line Burner Plug |
Gas Valves
| Part name | Also known as |
| 2029 - Black Teknigas Solenoid Valve 2431221-45 | Black Teknigas gas valve 2431221-45 |
Other Heater Components
| Part name | Also known as |
| 2000 - Ignition Controller (metal) P14-110AL | Ignition control box (metal) P14-110AL, Ignition ignition controller (metal) P14-110AL, Ignition electronic controller (metal) P14-110AL, Ignition auto ignition controller (metal) P14-110AL, Ignition main burner relay (metal) P14-110AL, control box (metal) P14-110AL, controller (metal) P14-110AL, electronic controller (metal) P14-110AL, auto ignition controller (metal) P14-110AL, main burner relay (metal) P14-110AL |
| 2015-P14KIT - Replacement P14-110Al Metal Controller and Kit | Replacement P14-110Al Metal control box and Kit, Replacement P14-110Al Metal ignition controller and Kit, Replacement P14-110Al Metal electronic controller and Kit, Replacement P14-110Al Metal auto ignition controller and Kit, Replacement P14-110Al Metal main burner relay and Kit |
| 2175 - Amber Neon | |
| 2180 - Red Neon | |
| 2192-2-PTU - Huba Pressure Switch | Huba vacuum switch, Huba aps / air pressure switch |
| 2210-SUB - Igniter/Electrode Assembly | |
| BA22NUKDASS - Burner Assy AR22 NG-DA SS UK | |
| FS75-50 - Fan Spinning 76mm Tube (50mm Hole) |