Typically, how long could I reasonably expect the back-up battery in the timer of a combi boiler to keep working? In my case it's a Baxi boiler with a Grasslin timer, if that makes a difference.
I would like to turn off gas, water and electric (not forgetting the freezer) on times that I go away and would prefer not to have to set up the timer again every time I come home.
Thanks,
Nick
How long are you going away for each time?
It varies: next time is ten days, sometimes it is a month or two. Five months once and could be again.
Nick
I suppose that deserves a follow-up question: how long does it take the backup battery to regain full charge? If the person who comes in to check the house were to put the electricity on for a while, how long need that while be?
Nick
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