>> The answer was that the unit costs about 100€ whereas any technician would bill way more for the short time it would take to open it up, fish out the connect

>> The answer was that the unit costs about 100€ whereas any technician would bill way more for the short time it would take to open it up, fish out the connector and replace the part. Well, of course they would bill more. You're essentially paying for all of the neurotic clients who are going to be fussy about the whole process. On top of that, what if it's not the heater and something else? Means you've just wasted extra time trying to fix it.