The following spare parts are available for the model number OUHA40 (140):
Burners
| Part name | Also known as |
| 29-99-452 - Oil Burner R40G5 On/Off 28 and 35 Sec | |
| 30-05-787 - Rg1Rkd Burner Gasket | |
| 31-28-080 - Burner/Pressure Relief Gasket |
Electrical Components
| Part name | Also known as |
| 28-07-084 - AVAILABLE MCB |
Fans & Motors Axial/Main
| Part name | Also known as |
| 28-09-008 - Axial Fan Assembly | Main fan Assembly, Centrifugal fan / motor assembly Assembly, Axial fan assembly Assembly, Main fan, Centrifugal fan / motor assembly, Axial fan |
| 28-09-062 - Axial Fan Assembly | Main fan Assembly, Centrifugal fan / motor assembly Assembly, Axial fan assembly Assembly, Main fan, Centrifugal fan / motor assembly, Axial fan |
| UDSA0127010 - Axial Fan Assembly | Main fan Assembly, Centrifugal fan / motor assembly Assembly, Axial fan assembly Assembly, Main fan, Centrifugal fan / motor assembly, Axial fan |
Filters
| Part name | Also known as |
| 29-15-017 - Oil Filter 18489P 1/4" Bsp |
Gas Valves
| Part name | Also known as |
| 29-03-007 - Thermostatic Fire Cut Off Valve 3/8" 72 Degree C |
Heat Exchangers
| Part name | Also known as |
| 28-62-908 - Heat Exchanger Inspection Plate Gasket 25mm X 3mm | |
| 33-65-003 - M/S Combustion Chamber/Heat Exchanger (2006 Onwards) |