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I recently managed to find two new replacement thermostats for the instaled ESWA heating system in my home. Now the wiring diagrams look straight forward enough except the old unit has more wires / connections than the new unit. Firstly the old unit is Erbele Type 3582 and is wired as...

I have been a tennant for a number of years and recently started having problems with the installed ESWA heating. All of the rooms have individual Thermostats, which have gradually started dying. We originally suspected it was the heating elements in the ceiling themselves - but recently...