While you wait for answers, we may have found some information which could help you.
Click here for Downstairs Hot WaterFix my oil filled heater?
What size spanner to free rad bleed valve?
Where can I get a manual for my ritetemp oil heater ?
vonhaur Dragan 2500w oil electric heater no power?
Low pressure below 1, Lockout on. won't rest?
Oil filled radiator won’t stop clicking?