The following spare parts are available for the model number OUHA70 (250):
Burners
| Part name | Also known as |
| 29-99-453 - Oil Burner R40G10R On/Off 28 and 35 Sec | |
| 30-05-795 - Rg2D Tc Burner Gasket | |
| 31-40-156 - 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 |
| 28-09-062 - Axial Fan Assembly | main fan Assembly, centrifugal fan / motor assembly Assembly |
| UDSA0127010 - Axial Fan Assembly | main fan Assembly, centrifugal fan / motor assembly Assembly |
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 | |
| 33-65-061 - M/S Combustion Chamber/Heat Exchanger (2006 Onwards) |