While you wait for answers, we may have found some information which could help you.
Click here for Flushed Central HeatingOil filled radiator won’t stop clicking?
Where can I get a manual for my ritetemp oil heater ?
My electric oil heated radiator isn’t heating up properly. ?
Fix my oil filled heater?
Efficiency of my oil heater?
Low pressure below 1, Lockout on. won't rest?