On 29/09/2020 20:06, newshound wrote:


And I suppose I should also have said make sure the heater has a
thermostat in series! With a "not installed" system it is not beyond the
bounds of possibility that the thermostat is missing, and that an
inexperienced person might just try connecting mains to the heater element.

Good point.

It's now supposed to be two thermostats in series.

But the OP should INHO test the element before buggering about with the
stat(s). 230V should do the test:-)



--
Adam