Okay took the flylead/link wire off and the prong side had charring on the wire poking out. I have replaced with a new 2.5mm crimped ring end wire. Using a heat resistance 2.5mm that is identical to the new feed cable that I fitted last time around.
Time will now tell.
Note of interest was...
Resolved: the thermostat was clicking when the temperature was rising (on) but not when falling (off). This was intermittent. New rod has a distinct click both directions, old rod when working had a weak click on the falling direction .
Thanks to those who helped problem solve. I believe as a...
Turning from
70 is 0 ohm
Click heading colder is: there is no click
25 is reading 122.1kohm
Heading hotter to just before click is out of range then 0, 0.1,0.2,0.3 at click
I think it is light green - didn't know that they had standardised an aging process.
Thanks for all the pointers though,
Tap water measures same as the Eddi and water stat on the pellet boiler so all is reading the same.
The thermostat is pointing to 60c as just as you had suggested I...
Because the invention of forums is for asking questions. Hence that is what I was doing. Calling a sparky or plumber on a sunday at 11.15pm is a bit overkill - don't you think.
But thanks for the useful insight into your knowledge of this topic.
https://www.myenergi.com/product/eddi/
The sensor is a pocket in the tank - not at the immerser- slightly lower- where the box is on the left.
It is showing as lower than the cut off on the thermostat of the immerser but the immerser is cutting out and tripping.
The wood pellet burner is...
It is a yellow copper cylinder circa 2000. similar to https://mcdonaldwaterstorage.com/products/vented/vented-cylinders/
https://www.screwfix.com/p/tesla-dual-safety-thermostat-11-/48571
The cylinder is heated with electricity and wood pellet boiler.
The temperature of the hot water...