I've got an old Randall 103 time switch controlling my heating.After 25 years of use it has finally packed in.I've been looking at replacing it.There is a Danfloss 103 that looks identical.It seems that these time switches fit on a backplate.Does anyone know if the backplate on my old one will be compatible to the latest one.If it is,is it just a simple job to fit the new one on the old backplate.I have quite a good electrical knowledge,so no danger of hurting myself
Replacing boiler time switch.
- Thread starter Dennis M
- Start date
103 E is a modern version that fits same backplate,its digital display
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