While you wait for answers, we may have found some information which could help you.
Click here for Potterton Puma BoilerDimplex RMG25 causes circuit breaker to pop?
How can I mend my Hyundai oil filled radiator?
Efficiency of my oil heater?
Where can I get a manual for my ritetemp oil heater ?
My electric oil heated radiator isn’t heating up properly. ?
Sorry the make is dimplex model FC2009Ti?