Hi, thanks for your reply.
The shower is out of warranty. It doesn't have an external pump so I'm presuming it's the unpumped version. Will check what you suggest tomorrow regarding resistance & get back to you.
Thanks again
Hi all, i'm hoping someone out there can help me with a problem on this shower, its a triton t150z that is only about 12-18 months old i went to turn it on but no power so took front cover off and saw that what looked like one of the small electrical components on the pcb had blown so ordered...