Recent content by Bob100000

Sorry for joining this thread so late, but I thought I'd better answer for the reasons below: The J&S System-ET heaters use a special type of thermostat called a "Thermistastat". You CANNOT replace this by any other type of thermostat, and certainly not a simple make-or-break on/off device...

I too have this problem with the J&S HiSpec J32. I have had the control unit replaced but it has made no difference. I contacted J&S directly and they suggested replacing the wires that connect the unit to the wall thermistastat, and using fly lead instead. This seems a reasonable suggestion...

Many thanks.

Ok, so it's more for my benefit, not the engineer's. I've no intention of attempting to repair it myself, but I would still like to know if this is going to be a cheap or expensive repair, and whether it means replacing one cheap module or five expensive ones ;-) And not being entirely dumb, I...

My J32 ET has recently started getting the same problem. It sounds like a relay rapidly clicking before the fan kicks in. Did you get this resolved ok? What was the problem? I'm sure your experience would help the engineer when it comes to fixing mine. Thanks.