Question about Shaw Robert RS-9420 Thermostat

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The screen went blank and there doesn't seem a place to replace battery

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There doesn't seem to be a battery in that model. Supposed to be permanent memory. You can download a PDF manual at this site if you need it.

http://www.honeywell-thermostat.com/honeywell/RS-9420.html

Posted on May 27, 2010

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