Dual controller working on timer fine, but hot water light staying in when it should be off and central heating light not coming on though all working
Light staying on
Oct 11, 2021
Last reply: 4 years ago
1 Replies
What make and model of controller and boiler?
What configuration of central heating controls have you got? (see article below for explanation of types)
Lastly if it is all working, what is the question you want answered?
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