hi my programmer was set to auto and was in a none timed period, the room temperature was well over 5 degrees, the display had opt showing and the central heating came on. can you please tell me what this means and how i stop it. thanks john johnfrearson555@sky.com

Asked by John on 01/05/2017 0  Answer

ManualsOnline posted an answer 1 year, 5 months ago

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