Re: Convert battery powered to battery backup

On 2007-04-20, ehsjr <ehsjr@xxxxxxxxxxxxxxxx> wrote:

As I said in the first two lines of my post:
"I suspect that you cannot do it. It is likely that the
24 volts is not a supply, but rather just a switched
loop that the tstat closes when it calls for heat. "

if it runs for years on batteries, you could probably get enough
power from a current transformer to run the unit while the switch
is closed.

Bye.
Jasen
.

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