We may have found other answers which could help you.
Click here for Central Heating Water WorksEfficiency of my oil heater?
How can I mend my Hyundai oil filled radiator?
Where can I get a manual for my ritetemp oil heater ?
What size spanner to free rad bleed valve?
Glen Dimplex Oil Filled Heater OFC2000 2KW?
Fix my oil filled heater?