We may have found other answers which could help you.
Click here for Black Radiators Water
Dimplex RMG25 causes circuit breaker to pop?
Low pressure below 1, Lockout on. won't rest?
How can I mend my Hyundai oil filled radiator?
vonhaur Dragan 2500w oil electric heater no power?
Fix my oil filled heater?
Efficiency of my oil heater?