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Question About Honeywell Thermostat T6667C
My thermostatic control is set to manual, yet, des...

My thermostatic control is set to manual, yet, despite setting the temp at about 14-15ºC last thing at night, it suddenly sparks into life during the night showing a temp setting of 21ºC! Even when switched off it seems capable of over-riding the 5ºC default setting. Any thoughts?

Asked by Gregory on 04/03/2013 0  Answer

ManualsOnline posted an answer 11 years, 6 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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