We may have found other answers which could help you.
Click here for Oil Small LeakLow pressure below 1, Lockout on. won't rest?
Glen Dimplex Oil Filled Heater OFC2000 2KW?
What size spanner to free rad bleed valve?
My electric oil heated radiator isn’t heating up properly. ?
Fix my oil filled heater?
Where can I get a manual for my ritetemp oil heater ?