Dear nascent, it does seem obvious that should be the case, but we have bought the equipment through an agent who has been very helpful but we seem to be grasping at straws with unsuppressed noise etc. It strikes me as very unlikely but the alternative is a poor batch of heaters, which still...
We have recently (Oct) fitted 7 IR heaters which use triac based controllers. There have been any number of problems with the controllers and IR halogen elements failing. The supplier has now suggested that we may have interference or spikes on our mains supply which they claim may affect or...