While you wait for answers, we may have found some information which could help you.
Click here for Filled Towel RailWhat size spanner to free rad bleed valve?
Oil filled radiator won’t stop clicking?
Sorry the make is dimplex model FC2009Ti?
Where can I get a manual for my ritetemp oil heater ?
Efficiency of my oil heater?
Dimplex RMG25 causes circuit breaker to pop?